Finding the Third Proportional to 1,006,458 and 2,199,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,006,458 : 2,199,540 = 2,199,540 : x
2. Step 2: Convert to fraction form
   1,006,458/2,199,540 = 2,199,540/x
3. Step 3: Cross multiply
   1,006,458x = 2,199,540 × 2,199,540
4. Step 4: Simplify right side
   1,006,458x = 4,837,976,211,600
5. Step 5: Solve for x
   x = 4,837,976,211,600/1,006,458
6. Step 6: Final answer
   x = 4,806,933.04