Finding the Third Proportional to 5,354,828 and 8,157,756

Step by Step Solution

1. Step 1: Write the proportion equation
   5,354,828 : 8,157,756 = 8,157,756 : x
2. Step 2: Convert to fraction form
   5,354,828/8,157,756 = 8,157,756/x
3. Step 3: Cross multiply
   5,354,828x = 8,157,756 × 8,157,756
4. Step 4: Simplify right side
   5,354,828x = 66,548,982,955,536
5. Step 5: Solve for x
   x = 66,548,982,955,536/5,354,828
6. Step 6: Final answer
   x = 12,427,846.97