Finding the Third Proportional to 5,466,466 and 8,486,197

Step by Step Solution

1. Step 1: Write the proportion equation
   5,466,466 : 8,486,197 = 8,486,197 : x
2. Step 2: Convert to fraction form
   5,466,466/8,486,197 = 8,486,197/x
3. Step 3: Cross multiply
   5,466,466x = 8,486,197 × 8,486,197
4. Step 4: Simplify right side
   5,466,466x = 72,015,539,522,809
5. Step 5: Solve for x
   x = 72,015,539,522,809/5,466,466
6. Step 6: Final answer
   x = 13,174,057.89