Finding the Third Proportional to 33,517.69 and 69,355.13

Step by Step Solution

1. Step 1: Write the proportion equation
   33,517.69 : 69,355.13 = 69,355.13 : x
2. Step 2: Convert to fraction form
   33,517.69/69,355.13 = 69,355.13/x
3. Step 3: Cross multiply
   33,517.69x = 69,355.13 × 69,355.13
4. Step 4: Simplify right side
   33,517.69x = 4,810,133,363.77
5. Step 5: Solve for x
   x = 4,810,133,363.77/33,517.69
6. Step 6: Final answer
   x = 143,510.30