Finding the Third Proportional to 1,086,267 and 1,643,382

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,267 : 1,643,382 = 1,643,382 : x
2. Step 2: Convert to fraction form
   1,086,267/1,643,382 = 1,643,382/x
3. Step 3: Cross multiply
   1,086,267x = 1,643,382 × 1,643,382
4. Step 4: Simplify right side
   1,086,267x = 2,700,704,397,924
5. Step 5: Solve for x
   x = 2,700,704,397,924/1,086,267
6. Step 6: Final answer
   x = 2,486,225.21