Finding the Third Proportional to 518,714 and 1,073,428

Step by Step Solution

1. Step 1: Write the proportion equation
   518,714 : 1,073,428 = 1,073,428 : x
2. Step 2: Convert to fraction form
   518,714/1,073,428 = 1,073,428/x
3. Step 3: Cross multiply
   518,714x = 1,073,428 × 1,073,428
4. Step 4: Simplify right side
   518,714x = 1,152,247,671,184
5. Step 5: Solve for x
   x = 1,152,247,671,184/518,714
6. Step 6: Final answer
   x = 2,221,354.49