Finding the Third Proportional to 31,510,742 and 68,399,344

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510,742 : 68,399,344 = 68,399,344 : x
2. Step 2: Convert to fraction form
   31,510,742/68,399,344 = 68,399,344/x
3. Step 3: Cross multiply
   31,510,742x = 68,399,344 × 68,399,344
4. Step 4: Simplify right side
   31,510,742x = 4,678,470,259,630,336
5. Step 5: Solve for x
   x = 4,678,470,259,630,336/31,510,742
6. Step 6: Final answer
   x = 148,472,234.00