Finding the Third Proportional to 80,152.50 and 172,374

Step by Step Solution

1. Step 1: Write the proportion equation
   80,152.50 : 172,374 = 172,374 : x
2. Step 2: Convert to fraction form
   80,152.50/172,374 = 172,374/x
3. Step 3: Cross multiply
   80,152.50x = 172,374 × 172,374
4. Step 4: Simplify right side
   80,152.50x = 29,712,795,876
5. Step 5: Solve for x
   x = 29,712,795,876/80,152.50
6. Step 6: Final answer
   x = 370,703.30