Finding the Third Proportional to 5,598,452 and 8,396,220

Step by Step Solution

1. Step 1: Write the proportion equation
   5,598,452 : 8,396,220 = 8,396,220 : x
2. Step 2: Convert to fraction form
   5,598,452/8,396,220 = 8,396,220/x
3. Step 3: Cross multiply
   5,598,452x = 8,396,220 × 8,396,220
4. Step 4: Simplify right side
   5,598,452x = 70,496,510,288,400
5. Step 5: Solve for x
   x = 70,496,510,288,400/5,598,452
6. Step 6: Final answer
   x = 12,592,143.38