Finding the Third Proportional to 5,648,452 and 8,620,474

Step by Step Solution

1. Step 1: Write the proportion equation
   5,648,452 : 8,620,474 = 8,620,474 : x
2. Step 2: Convert to fraction form
   5,648,452/8,620,474 = 8,620,474/x
3. Step 3: Cross multiply
   5,648,452x = 8,620,474 × 8,620,474
4. Step 4: Simplify right side
   5,648,452x = 74,312,571,984,676
5. Step 5: Solve for x
   x = 74,312,571,984,676/5,648,452
6. Step 6: Final answer
   x = 13,156,272.19