Finding the Third Proportional to 75,331.69 and 113,969.25

Step by Step Solution

1. Step 1: Write the proportion equation
   75,331.69 : 113,969.25 = 113,969.25 : x
2. Step 2: Convert to fraction form
   75,331.69/113,969.25 = 113,969.25/x
3. Step 3: Cross multiply
   75,331.69x = 113,969.25 × 113,969.25
4. Step 4: Simplify right side
   75,331.69x = 12,988,989,945.56
5. Step 5: Solve for x
   x = 12,988,989,945.56/75,331.69
6. Step 6: Final answer
   x = 172,423.99