Finding the Third Proportional to 2,722,990 and 5,866,106

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722,990 : 5,866,106 = 5,866,106 : x
2. Step 2: Convert to fraction form
   2,722,990/5,866,106 = 5,866,106/x
3. Step 3: Cross multiply
   2,722,990x = 5,866,106 × 5,866,106
4. Step 4: Simplify right side
   2,722,990x = 34,411,199,603,236
5. Step 5: Solve for x
   x = 34,411,199,603,236/2,722,990
6. Step 6: Final answer
   x = 12,637,284.60