Finding the Third Proportional to 783,108 and 1,690,632

Step by Step Solution

1. Step 1: Write the proportion equation
   783,108 : 1,690,632 = 1,690,632 : x
2. Step 2: Convert to fraction form
   783,108/1,690,632 = 1,690,632/x
3. Step 3: Cross multiply
   783,108x = 1,690,632 × 1,690,632
4. Step 4: Simplify right side
   783,108x = 2,858,236,559,424
5. Step 5: Solve for x
   x = 2,858,236,559,424/783,108
6. Step 6: Final answer
   x = 3,649,862.55