Finding the Third Proportional to 31,510,692 and 68,399,244

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510,692 : 68,399,244 = 68,399,244 : x
2. Step 2: Convert to fraction form
   31,510,692/68,399,244 = 68,399,244/x
3. Step 3: Cross multiply
   31,510,692x = 68,399,244 × 68,399,244
4. Step 4: Simplify right side
   31,510,692x = 4,678,456,579,771,536
5. Step 5: Solve for x
   x = 4,678,456,579,771,536/31,510,692
6. Step 6: Final answer
   x = 148,472,035.45