Finding the Third Proportional to 5,354,365 and 8,157,028

Step by Step Solution

1. Step 1: Write the proportion equation
   5,354,365 : 8,157,028 = 8,157,028 : x
2. Step 2: Convert to fraction form
   5,354,365/8,157,028 = 8,157,028/x
3. Step 3: Cross multiply
   5,354,365x = 8,157,028 × 8,157,028
4. Step 4: Simplify right side
   5,354,365x = 66,537,105,792,784
5. Step 5: Solve for x
   x = 66,537,105,792,784/5,354,365
6. Step 6: Final answer
   x = 12,426,703.41