Finding the Third Proportional to 33,412.50 and 68,943.66

Step by Step Solution

1. Step 1: Write the proportion equation
   33,412.50 : 68,943.66 = 68,943.66 : x
2. Step 2: Convert to fraction form
   33,412.50/68,943.66 = 68,943.66/x
3. Step 3: Cross multiply
   33,412.50x = 68,943.66 × 68,943.66
4. Step 4: Simplify right side
   33,412.50x = 4,753,227,737.12
5. Step 5: Solve for x
   x = 4,753,227,737.12/33,412.50
6. Step 6: Final answer
   x = 142,258.97