Finding the Third Proportional to 783,110 and 1,690,636

Step by Step Solution

1. Step 1: Write the proportion equation
   783,110 : 1,690,636 = 1,690,636 : x
2. Step 2: Convert to fraction form
   783,110/1,690,636 = 1,690,636/x
3. Step 3: Cross multiply
   783,110x = 1,690,636 × 1,690,636
4. Step 4: Simplify right side
   783,110x = 2,858,250,084,496
5. Step 5: Solve for x
   x = 2,858,250,084,496/783,110
6. Step 6: Final answer
   x = 3,649,870.50