Finding the Third Proportional to 518,459 and 1,078,304

Step by Step Solution

1. Step 1: Write the proportion equation
   518,459 : 1,078,304 = 1,078,304 : x
2. Step 2: Convert to fraction form
   518,459/1,078,304 = 1,078,304/x
3. Step 3: Cross multiply
   518,459x = 1,078,304 × 1,078,304
4. Step 4: Simplify right side
   518,459x = 1,162,739,516,416
5. Step 5: Solve for x
   x = 1,162,739,516,416/518,459
6. Step 6: Final answer
   x = 2,242,683.64