Finding the Third Proportional to 80,693 and 172,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,693 : 172,367.50 = 172,367.50 : x
2. Step 2: Convert to fraction form
   80,693/172,367.50 = 172,367.50/x
3. Step 3: Cross multiply
   80,693x = 172,367.50 × 172,367.50
4. Step 4: Simplify right side
   80,693x = 29,710,555,056.25
5. Step 5: Solve for x
   x = 29,710,555,056.25/80,693
6. Step 6: Final answer
   x = 368,192.47