Finding the Third Proportional to 2,648,840 and 4,197,108

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,840 : 4,197,108 = 4,197,108 : x
2. Step 2: Convert to fraction form
   2,648,840/4,197,108 = 4,197,108/x
3. Step 3: Cross multiply
   2,648,840x = 4,197,108 × 4,197,108
4. Step 4: Simplify right side
   2,648,840x = 17,615,715,563,664
5. Step 5: Solve for x
   x = 17,615,715,563,664/2,648,840
6. Step 6: Final answer
   x = 6,650,350.93