Finding the Third Proportional to 31,676.06 and 67,240.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,676.06 : 67,240.13 = 67,240.13 : x
2. Step 2: Convert to fraction form
   31,676.06/67,240.13 = 67,240.13/x
3. Step 3: Cross multiply
   31,676.06x = 67,240.13 × 67,240.13
4. Step 4: Simplify right side
   31,676.06x = 4,521,234,410.02
5. Step 5: Solve for x
   x = 4,521,234,410.02/31,676.06
6. Step 6: Final answer
   x = 142,733.47