Finding the Third Proportional to 81,391.50 and 175,284

Step by Step Solution

1. Step 1: Write the proportion equation
   81,391.50 : 175,284 = 175,284 : x
2. Step 2: Convert to fraction form
   81,391.50/175,284 = 175,284/x
3. Step 3: Cross multiply
   81,391.50x = 175,284 × 175,284
4. Step 4: Simplify right side
   81,391.50x = 30,724,480,656
5. Step 5: Solve for x
   x = 30,724,480,656/81,391.50
6. Step 6: Final answer
   x = 377,490.04