Finding the Third Proportional to 1,211,496 and 2,643,042

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,496 : 2,643,042 = 2,643,042 : x
2. Step 2: Convert to fraction form
   1,211,496/2,643,042 = 2,643,042/x
3. Step 3: Cross multiply
   1,211,496x = 2,643,042 × 2,643,042
4. Step 4: Simplify right side
   1,211,496x = 6,985,671,013,764
5. Step 5: Solve for x
   x = 6,985,671,013,764/1,211,496
6. Step 6: Final answer
   x = 5,766,152.77