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Finding the Third Proportional to 978,670 and 1,430,239

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Solution

The third proportional to 978,670 and 1,430,239 is: 2,090,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,670 : 1,430,239 = 1,430,239 : x
  2. Step 2: Convert to fraction form
    978,670/1,430,239 = 1,430,239/x
  3. Step 3: Cross multiply
    978,670x = 1,430,239 × 1,430,239
  4. Step 4: Simplify right side
    978,670x = 2,045,583,597,121
  5. Step 5: Solve for x
    x = 2,045,583,597,121/978,670
  6. Step 6: Final answer
    x = 2,090,166.86

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