Finding the Third Proportional to 518,472 and 1,078,328

Step by Step Solution

1. Step 1: Write the proportion equation
   518,472 : 1,078,328 = 1,078,328 : x
2. Step 2: Convert to fraction form
   518,472/1,078,328 = 1,078,328/x
3. Step 3: Cross multiply
   518,472x = 1,078,328 × 1,078,328
4. Step 4: Simplify right side
   518,472x = 1,162,791,275,584
5. Step 5: Solve for x
   x = 1,162,791,275,584/518,472
6. Step 6: Final answer
   x = 2,242,727.24