Finding the Third Proportional to 521,376 and 1,142,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   521,376 : 1,142,401.50 = 1,142,401.50 : x
2. Step 2: Convert to fraction form
   521,376/1,142,401.50 = 1,142,401.50/x
3. Step 3: Cross multiply
   521,376x = 1,142,401.50 × 1,142,401.50
4. Step 4: Simplify right side
   521,376x = 1,305,081,187,202.25
5. Step 5: Solve for x
   x = 1,305,081,187,202.25/521,376
6. Step 6: Final answer
   x = 2,503,147.80