Finding the Third Proportional to 509,480 and 1,079,650

Step by Step Solution

1. Step 1: Write the proportion equation
   509,480 : 1,079,650 = 1,079,650 : x
2. Step 2: Convert to fraction form
   509,480/1,079,650 = 1,079,650/x
3. Step 3: Cross multiply
   509,480x = 1,079,650 × 1,079,650
4. Step 4: Simplify right side
   509,480x = 1,165,644,122,500
5. Step 5: Solve for x
   x = 1,165,644,122,500/509,480
6. Step 6: Final answer
   x = 2,287,909.48