Finding the Third Proportional to 31,510,695 and 68,399,250

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510,695 : 68,399,250 = 68,399,250 : x
2. Step 2: Convert to fraction form
   31,510,695/68,399,250 = 68,399,250/x
3. Step 3: Cross multiply
   31,510,695x = 68,399,250 × 68,399,250
4. Step 4: Simplify right side
   31,510,695x = 4,678,457,400,562,500
5. Step 5: Solve for x
   x = 4,678,457,400,562,500/31,510,695
6. Step 6: Final answer
   x = 148,472,047.37