Finding the Third Proportional to 518,376 and 1,078,124

Step by Step Solution

1. Step 1: Write the proportion equation
   518,376 : 1,078,124 = 1,078,124 : x
2. Step 2: Convert to fraction form
   518,376/1,078,124 = 1,078,124/x
3. Step 3: Cross multiply
   518,376x = 1,078,124 × 1,078,124
4. Step 4: Simplify right side
   518,376x = 1,162,351,359,376
5. Step 5: Solve for x
   x = 1,162,351,359,376/518,376
6. Step 6: Final answer
   x = 2,242,293.93