Finding the Third Proportional to 509,446 and 1,060,240

Step by Step Solution

1. Step 1: Write the proportion equation
   509,446 : 1,060,240 = 1,060,240 : x
2. Step 2: Convert to fraction form
   509,446/1,060,240 = 1,060,240/x
3. Step 3: Cross multiply
   509,446x = 1,060,240 × 1,060,240
4. Step 4: Simplify right side
   509,446x = 1,124,108,857,600
5. Step 5: Solve for x
   x = 1,124,108,857,600/509,446
6. Step 6: Final answer
   x = 2,206,531.91