Finding the Third Proportional to 5,501,048 and 8,409,720

Step by Step Solution

1. Step 1: Write the proportion equation
   5,501,048 : 8,409,720 = 8,409,720 : x
2. Step 2: Convert to fraction form
   5,501,048/8,409,720 = 8,409,720/x
3. Step 3: Cross multiply
   5,501,048x = 8,409,720 × 8,409,720
4. Step 4: Simplify right side
   5,501,048x = 70,723,390,478,400
5. Step 5: Solve for x
   x = 70,723,390,478,400/5,501,048
6. Step 6: Final answer
   x = 12,856,348.55