Finding the Third Proportional to 783,690 and 1,172,496

Step by Step Solution

1. Step 1: Write the proportion equation
   783,690 : 1,172,496 = 1,172,496 : x
2. Step 2: Convert to fraction form
   783,690/1,172,496 = 1,172,496/x
3. Step 3: Cross multiply
   783,690x = 1,172,496 × 1,172,496
4. Step 4: Simplify right side
   783,690x = 1,374,746,870,016
5. Step 5: Solve for x
   x = 1,374,746,870,016/783,690
6. Step 6: Final answer
   x = 1,754,197.28