Finding the Third Proportional to 80,152.50 and 172,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,152.50 : 172,096.50 = 172,096.50 : x
2. Step 2: Convert to fraction form
   80,152.50/172,096.50 = 172,096.50/x
3. Step 3: Cross multiply
   80,152.50x = 172,096.50 × 172,096.50
4. Step 4: Simplify right side
   80,152.50x = 29,617,205,312.25
5. Step 5: Solve for x
   x = 29,617,205,312.25/80,152.50
6. Step 6: Final answer
   x = 369,510.69