Finding the Third Proportional to 64,084,664 and 99,293,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,084,664 : 99,293,488.50 = 99,293,488.50 : x
2. Step 2: Convert to fraction form
   64,084,664/99,293,488.50 = 99,293,488.50/x
3. Step 3: Cross multiply
   64,084,664x = 99,293,488.50 × 99,293,488.50
4. Step 4: Simplify right side
   64,084,664x = 9,859,196,858,499,632
5. Step 5: Solve for x
   x = 9,859,196,858,499,632/64,084,664
6. Step 6: Final answer
   x = 153,846,431.32