Finding the Third Proportional to 33,307.88 and 69,589.13

Step by Step Solution

1. Step 1: Write the proportion equation
   33,307.88 : 69,589.13 = 69,589.13 : x
2. Step 2: Convert to fraction form
   33,307.88/69,589.13 = 69,589.13/x
3. Step 3: Cross multiply
   33,307.88x = 69,589.13 × 69,589.13
4. Step 4: Simplify right side
   33,307.88x = 4,842,646,318.27
5. Step 5: Solve for x
   x = 4,842,646,318.27/33,307.88
6. Step 6: Final answer
   x = 145,390.43