Finding the Third Proportional to 31,724,864 and 68,052,160

Step by Step Solution

1. Step 1: Write the proportion equation
   31,724,864 : 68,052,160 = 68,052,160 : x
2. Step 2: Convert to fraction form
   31,724,864/68,052,160 = 68,052,160/x
3. Step 3: Cross multiply
   31,724,864x = 68,052,160 × 68,052,160
4. Step 4: Simplify right side
   31,724,864x = 4,631,096,480,665,600
5. Step 5: Solve for x
   x = 4,631,096,480,665,600/31,724,864
6. Step 6: Final answer
   x = 145,976,874.19