Finding the Third Proportional to 5,221,692 and 8,102,268

Step by Step Solution

1. Step 1: Write the proportion equation
   5,221,692 : 8,102,268 = 8,102,268 : x
2. Step 2: Convert to fraction form
   5,221,692/8,102,268 = 8,102,268/x
3. Step 3: Cross multiply
   5,221,692x = 8,102,268 × 8,102,268
4. Step 4: Simplify right side
   5,221,692x = 65,646,746,743,824
5. Step 5: Solve for x
   x = 65,646,746,743,824/5,221,692
6. Step 6: Final answer
   x = 12,571,930.08