Finding the Third Proportional to 31,800,120 and 68,635,632

Step by Step Solution

1. Step 1: Write the proportion equation
   31,800,120 : 68,635,632 = 68,635,632 : x
2. Step 2: Convert to fraction form
   31,800,120/68,635,632 = 68,635,632/x
3. Step 3: Cross multiply
   31,800,120x = 68,635,632 × 68,635,632
4. Step 4: Simplify right side
   31,800,120x = 4,710,849,980,039,424
5. Step 5: Solve for x
   x = 4,710,849,980,039,424/31,800,120
6. Step 6: Final answer
   x = 148,139,377.46