Finding the Third Proportional to 5,354,544 and 8,157,364

Step by Step Solution

1. Step 1: Write the proportion equation
   5,354,544 : 8,157,364 = 8,157,364 : x
2. Step 2: Convert to fraction form
   5,354,544/8,157,364 = 8,157,364/x
3. Step 3: Cross multiply
   5,354,544x = 8,157,364 × 8,157,364
4. Step 4: Simplify right side
   5,354,544x = 66,542,587,428,496
5. Step 5: Solve for x
   x = 66,542,587,428,496/5,354,544
6. Step 6: Final answer
   x = 12,427,311.72