Finding the Third Proportional to 921,517 and 1,442,470

Step by Step Solution

1. Step 1: Write the proportion equation
   921,517 : 1,442,470 = 1,442,470 : x
2. Step 2: Convert to fraction form
   921,517/1,442,470 = 1,442,470/x
3. Step 3: Cross multiply
   921,517x = 1,442,470 × 1,442,470
4. Step 4: Simplify right side
   921,517x = 2,080,719,700,900
5. Step 5: Solve for x
   x = 2,080,719,700,900/921,517
6. Step 6: Final answer
   x = 2,257,928.72