Finding the Third Proportional to 31,157,192.25 and 72,123,258.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,157,192.25 : 72,123,258.38 = 72,123,258.38 : x
2. Step 2: Convert to fraction form
   31,157,192.25/72,123,258.38 = 72,123,258.38/x
3. Step 3: Cross multiply
   31,157,192.25x = 72,123,258.38 × 72,123,258.38
4. Step 4: Simplify right side
   31,157,192.25x = 5,201,764,398,627,008
5. Step 5: Solve for x
   x = 5,201,764,398,627,008/31,157,192.25
6. Step 6: Final answer
   x = 166,952,283.66