Finding the Third Proportional to 5,598,448 and 8,396,216

Step by Step Solution

1. Step 1: Write the proportion equation
   5,598,448 : 8,396,216 = 8,396,216 : x
2. Step 2: Convert to fraction form
   5,598,448/8,396,216 = 8,396,216/x
3. Step 3: Cross multiply
   5,598,448x = 8,396,216 × 8,396,216
4. Step 4: Simplify right side
   5,598,448x = 70,496,443,118,656
5. Step 5: Solve for x
   x = 70,496,443,118,656/5,598,448
6. Step 6: Final answer
   x = 12,592,140.38