Finding the Third Proportional to 518,716 and 1,073,432

Step by Step Solution

1. Step 1: Write the proportion equation
   518,716 : 1,073,432 = 1,073,432 : x
2. Step 2: Convert to fraction form
   518,716/1,073,432 = 1,073,432/x
3. Step 3: Cross multiply
   518,716x = 1,073,432 × 1,073,432
4. Step 4: Simplify right side
   518,716x = 1,152,256,258,624
5. Step 5: Solve for x
   x = 1,152,256,258,624/518,716
6. Step 6: Final answer
   x = 2,221,362.48