Finding the Third Proportional to 2,742,444 and 5,618,520

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742,444 : 5,618,520 = 5,618,520 : x
2. Step 2: Convert to fraction form
   2,742,444/5,618,520 = 5,618,520/x
3. Step 3: Cross multiply
   2,742,444x = 5,618,520 × 5,618,520
4. Step 4: Simplify right side
   2,742,444x = 31,567,766,990,400
5. Step 5: Solve for x
   x = 31,567,766,990,400/2,742,444
6. Step 6: Final answer
   x = 11,510,815.53