Finding the Third Proportional to 503,676 and 786,150

Step by Step Solution

1. Step 1: Write the proportion equation
   503,676 : 786,150 = 786,150 : x
2. Step 2: Convert to fraction form
   503,676/786,150 = 786,150/x
3. Step 3: Cross multiply
   503,676x = 786,150 × 786,150
4. Step 4: Simplify right side
   503,676x = 618,031,822,500
5. Step 5: Solve for x
   x = 618,031,822,500/503,676
6. Step 6: Final answer
   x = 1,227,042.43