Finding the Third Proportional to 684,280 and 1,062,124

Step by Step Solution

1. Step 1: Write the proportion equation
   684,280 : 1,062,124 = 1,062,124 : x
2. Step 2: Convert to fraction form
   684,280/1,062,124 = 1,062,124/x
3. Step 3: Cross multiply
   684,280x = 1,062,124 × 1,062,124
4. Step 4: Simplify right side
   684,280x = 1,128,107,391,376
5. Step 5: Solve for x
   x = 1,128,107,391,376/684,280
6. Step 6: Final answer
   x = 1,648,604.94