Finding the Third Proportional to 31,417.88 and 67,755.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,417.88 : 67,755.23 = 67,755.23 : x
2. Step 2: Convert to fraction form
   31,417.88/67,755.23 = 67,755.23/x
3. Step 3: Cross multiply
   31,417.88x = 67,755.23 × 67,755.23
4. Step 4: Simplify right side
   31,417.88x = 4,590,771,785.21
5. Step 5: Solve for x
   x = 4,590,771,785.21/31,417.88
6. Step 6: Final answer
   x = 146,119.74