Finding the Third Proportional to 172,369 and 252,873.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,369 : 252,873.50 = 252,873.50 : x
2. Step 2: Convert to fraction form
   172,369/252,873.50 = 252,873.50/x
3. Step 3: Cross multiply
   172,369x = 252,873.50 × 252,873.50
4. Step 4: Simplify right side
   172,369x = 63,945,007,002.25
5. Step 5: Solve for x
   x = 63,945,007,002.25/172,369
6. Step 6: Final answer
   x = 370,977.42