Finding the Third Proportional to 231,872.50 and 503,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,872.50 : 503,401.50 = 503,401.50 : x
2. Step 2: Convert to fraction form
   231,872.50/503,401.50 = 503,401.50/x
3. Step 3: Cross multiply
   231,872.50x = 503,401.50 × 503,401.50
4. Step 4: Simplify right side
   231,872.50x = 253,413,070,202.25
5. Step 5: Solve for x
   x = 253,413,070,202.25/231,872.50
6. Step 6: Final answer
   x = 1,092,898.34