Finding the Third Proportional to 31,471.03 and 66,587.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,471.03 : 66,587.06 = 66,587.06 : x
2. Step 2: Convert to fraction form
   31,471.03/66,587.06 = 66,587.06/x
3. Step 3: Cross multiply
   31,471.03x = 66,587.06 × 66,587.06
4. Step 4: Simplify right side
   31,471.03x = 4,433,836,892.38
5. Step 5: Solve for x
   x = 4,433,836,892.38/31,471.03
6. Step 6: Final answer
   x = 140,886.29