Finding the Third Proportional to 64,754,929.50 and 99,633,456

Step by Step Solution

1. Step 1: Write the proportion equation
   64,754,929.50 : 99,633,456 = 99,633,456 : x
2. Step 2: Convert to fraction form
   64,754,929.50/99,633,456 = 99,633,456/x
3. Step 3: Cross multiply
   64,754,929.50x = 99,633,456 × 99,633,456
4. Step 4: Simplify right side
   64,754,929.50x = 9,926,825,554,503,936
5. Step 5: Solve for x
   x = 9,926,825,554,503,936/64,754,929.50
6. Step 6: Final answer
   x = 153,298,376.37