Finding the Third Proportional to 64,754,931 and 99,633,458.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,754,931 : 99,633,458.25 = 99,633,458.25 : x
2. Step 2: Convert to fraction form
   64,754,931/99,633,458.25 = 99,633,458.25/x
3. Step 3: Cross multiply
   64,754,931x = 99,633,458.25 × 99,633,458.25
4. Step 4: Simplify right side
   64,754,931x = 9,926,826,002,854,494
5. Step 5: Solve for x
   x = 9,926,826,002,854,494/64,754,931
6. Step 6: Final answer
   x = 153,298,379.75