Finding the Third Proportional to 519,690 and 1,138,686

Step by Step Solution

1. Step 1: Write the proportion equation
   519,690 : 1,138,686 = 1,138,686 : x
2. Step 2: Convert to fraction form
   519,690/1,138,686 = 1,138,686/x
3. Step 3: Cross multiply
   519,690x = 1,138,686 × 1,138,686
4. Step 4: Simplify right side
   519,690x = 1,296,605,806,596
5. Step 5: Solve for x
   x = 1,296,605,806,596/519,690
6. Step 6: Final answer
   x = 2,494,960.09