Finding the Third Proportional to 683,594 and 1,061,218

Step by Step Solution

1. Step 1: Write the proportion equation
   683,594 : 1,061,218 = 1,061,218 : x
2. Step 2: Convert to fraction form
   683,594/1,061,218 = 1,061,218/x
3. Step 3: Cross multiply
   683,594x = 1,061,218 × 1,061,218
4. Step 4: Simplify right side
   683,594x = 1,126,183,643,524
5. Step 5: Solve for x
   x = 1,126,183,643,524/683,594
6. Step 6: Final answer
   x = 1,647,445.18