Finding the Third Proportional to 2,648,188.69 and 5,614,216.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,188.69 : 5,614,216.31 = 5,614,216.31 : x
2. Step 2: Convert to fraction form
   2,648,188.69/5,614,216.31 = 5,614,216.31/x
3. Step 3: Cross multiply
   2,648,188.69x = 5,614,216.31 × 5,614,216.31
4. Step 4: Simplify right side
   2,648,188.69x = 31,519,424,803,541.10
5. Step 5: Solve for x
   x = 31,519,424,803,541.10/2,648,188.69
6. Step 6: Final answer
   x = 11,902,257.93