Finding the Third Proportional to 127,337,139 and 272,828,538

Step by Step Solution

1. Step 1: Write the proportion equation
   127,337,139 : 272,828,538 = 272,828,538 : x
2. Step 2: Convert to fraction form
   127,337,139/272,828,538 = 272,828,538/x
3. Step 3: Cross multiply
   127,337,139x = 272,828,538 × 272,828,538
4. Step 4: Simplify right side
   127,337,139x = 74,435,411,147,217,440
5. Step 5: Solve for x
   x = 74,435,411,147,217,440/127,337,139
6. Step 6: Final answer
   x = 584,553,820.92