Finding the Third Proportional to 29,910,562.31 and 64,925,890.31

Step by Step Solution

1. Step 1: Write the proportion equation
   29,910,562.31 : 64,925,890.31 = 64,925,890.31 : x
2. Step 2: Convert to fraction form
   29,910,562.31/64,925,890.31 = 64,925,890.31/x
3. Step 3: Cross multiply
   29,910,562.31x = 64,925,890.31 × 64,925,890.31
4. Step 4: Simplify right side
   29,910,562.31x = 4,215,371,232,870,781.50
5. Step 5: Solve for x
   x = 4,215,371,232,870,781.50/29,910,562.31
6. Step 6: Final answer
   x = 140,932,530.42