Finding the Third Proportional to 33,451.50 and 69,672

Step by Step Solution

1. Step 1: Write the proportion equation
   33,451.50 : 69,672 = 69,672 : x
2. Step 2: Convert to fraction form
   33,451.50/69,672 = 69,672/x
3. Step 3: Cross multiply
   33,451.50x = 69,672 × 69,672
4. Step 4: Simplify right side
   33,451.50x = 4,854,187,584
5. Step 5: Solve for x
   x = 4,854,187,584/33,451.50
6. Step 6: Final answer
   x = 145,111.21