Finding the Third Proportional to 64,802,700 and 91,153,026

Step by Step Solution

1. Step 1: Write the proportion equation
   64,802,700 : 91,153,026 = 91,153,026 : x
2. Step 2: Convert to fraction form
   64,802,700/91,153,026 = 91,153,026/x
3. Step 3: Cross multiply
   64,802,700x = 91,153,026 × 91,153,026
4. Step 4: Simplify right side
   64,802,700x = 8,308,874,148,956,676
5. Step 5: Solve for x
   x = 8,308,874,148,956,676/64,802,700
6. Step 6: Final answer
   x = 128,218,024.08