Finding the Third Proportional to 521,640.50 and 1,142,911

Step by Step Solution

1. Step 1: Write the proportion equation
   521,640.50 : 1,142,911 = 1,142,911 : x
2. Step 2: Convert to fraction form
   521,640.50/1,142,911 = 1,142,911/x
3. Step 3: Cross multiply
   521,640.50x = 1,142,911 × 1,142,911
4. Step 4: Simplify right side
   521,640.50x = 1,306,245,553,921
5. Step 5: Solve for x
   x = 1,306,245,553,921/521,640.50
6. Step 6: Final answer
   x = 2,504,110.69