Finding the Third Proportional to 517,446 and 1,131,074

Step by Step Solution

1. Step 1: Write the proportion equation
   517,446 : 1,131,074 = 1,131,074 : x
2. Step 2: Convert to fraction form
   517,446/1,131,074 = 1,131,074/x
3. Step 3: Cross multiply
   517,446x = 1,131,074 × 1,131,074
4. Step 4: Simplify right side
   517,446x = 1,279,328,393,476
5. Step 5: Solve for x
   x = 1,279,328,393,476/517,446
6. Step 6: Final answer
   x = 2,472,390.15