Finding the Third Proportional to 64,841,747.91 and 138,950,498.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,841,747.91 : 138,950,498.25 = 138,950,498.25 : x
2. Step 2: Convert to fraction form
   64,841,747.91/138,950,498.25 = 138,950,498.25/x
3. Step 3: Cross multiply
   64,841,747.91x = 138,950,498.25 × 138,950,498.25
4. Step 4: Simplify right side
   64,841,747.91x = 19,307,240,963,923,252
5. Step 5: Solve for x
   x = 19,307,240,963,923,252/64,841,747.91
6. Step 6: Final answer
   x = 297,759,415.61