Finding the Third Proportional to 2,648,840 and 5,721,064

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,840 : 5,721,064 = 5,721,064 : x
2. Step 2: Convert to fraction form
   2,648,840/5,721,064 = 5,721,064/x
3. Step 3: Cross multiply
   2,648,840x = 5,721,064 × 5,721,064
4. Step 4: Simplify right side
   2,648,840x = 32,730,573,292,096
5. Step 5: Solve for x
   x = 32,730,573,292,096/2,648,840
6. Step 6: Final answer
   x = 12,356,568.65