Finding the Third Proportional to 172,005 and 252,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,005 : 252,949.50 = 252,949.50 : x
2. Step 2: Convert to fraction form
   172,005/252,949.50 = 252,949.50/x
3. Step 3: Cross multiply
   172,005x = 252,949.50 × 252,949.50
4. Step 4: Simplify right side
   172,005x = 63,983,449,550.25
5. Step 5: Solve for x
   x = 63,983,449,550.25/172,005
6. Step 6: Final answer
   x = 371,985.99