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Finding the Third Proportional to 398,484,868 and 625,048,536

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Solution

The third proportional to 398,484,868 and 625,048,536 is: 980,427,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,484,868 : 625,048,536 = 625,048,536 : x
  2. Step 2: Convert to fraction form
    398,484,868/625,048,536 = 625,048,536/x
  3. Step 3: Cross multiply
    398,484,868x = 625,048,536 × 625,048,536
  4. Step 4: Simplify right side
    398,484,868x = 390,685,672,355,743,296
  5. Step 5: Solve for x
    x = 390,685,672,355,743,296/398,484,868
  6. Step 6: Final answer
    x = 980,427,875.01

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