Finding the Third Proportional to 5,354,800 and 8,157,700

Step by Step Solution

1. Step 1: Write the proportion equation
   5,354,800 : 8,157,700 = 8,157,700 : x
2. Step 2: Convert to fraction form
   5,354,800/8,157,700 = 8,157,700/x
3. Step 3: Cross multiply
   5,354,800x = 8,157,700 × 8,157,700
4. Step 4: Simplify right side
   5,354,800x = 66,548,069,290,000
5. Step 5: Solve for x
   x = 66,548,069,290,000/5,354,800
6. Step 6: Final answer
   x = 12,427,741.33