Finding the Third Proportional to 8,528,921 and 12,196,451

Step by Step Solution

1. Step 1: Write the proportion equation
   8,528,921 : 12,196,451 = 12,196,451 : x
2. Step 2: Convert to fraction form
   8,528,921/12,196,451 = 12,196,451/x
3. Step 3: Cross multiply
   8,528,921x = 12,196,451 × 12,196,451
4. Step 4: Simplify right side
   8,528,921x = 148,753,416,995,401
5. Step 5: Solve for x
   x = 148,753,416,995,401/8,528,921
6. Step 6: Final answer
   x = 17,441,059.31