Finding the Third Proportional to 5,309,110 and 8,198,363

Step by Step Solution

1. Step 1: Write the proportion equation
   5,309,110 : 8,198,363 = 8,198,363 : x
2. Step 2: Convert to fraction form
   5,309,110/8,198,363 = 8,198,363/x
3. Step 3: Cross multiply
   5,309,110x = 8,198,363 × 8,198,363
4. Step 4: Simplify right side
   5,309,110x = 67,213,155,879,769
5. Step 5: Solve for x
   x = 67,213,155,879,769/5,309,110
6. Step 6: Final answer
   x = 12,659,966.71