Finding the Third Proportional to 2,581,656 and 5,611,080

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,656 : 5,611,080 = 5,611,080 : x
2. Step 2: Convert to fraction form
   2,581,656/5,611,080 = 5,611,080/x
3. Step 3: Cross multiply
   2,581,656x = 5,611,080 × 5,611,080
4. Step 4: Simplify right side
   2,581,656x = 31,484,218,766,400
5. Step 5: Solve for x
   x = 31,484,218,766,400/2,581,656
6. Step 6: Final answer
   x = 12,195,357.85