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Finding the Third Proportional to 321,978,870 and 694,941,228

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Solution

The third proportional to 321,978,870 and 694,941,228 is: 1,499,922,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,978,870 : 694,941,228 = 694,941,228 : x
  2. Step 2: Convert to fraction form
    321,978,870/694,941,228 = 694,941,228/x
  3. Step 3: Cross multiply
    321,978,870x = 694,941,228 × 694,941,228
  4. Step 4: Simplify right side
    321,978,870x = 482,943,310,374,147,968
  5. Step 5: Solve for x
    x = 482,943,310,374,147,968/321,978,870
  6. Step 6: Final answer
    x = 1,499,922,371.84

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