Finding the Third Proportional to 5,346,352 and 8,188,872

Step by Step Solution

1. Step 1: Write the proportion equation
   5,346,352 : 8,188,872 = 8,188,872 : x
2. Step 2: Convert to fraction form
   5,346,352/8,188,872 = 8,188,872/x
3. Step 3: Cross multiply
   5,346,352x = 8,188,872 × 8,188,872
4. Step 4: Simplify right side
   5,346,352x = 67,057,624,632,384
5. Step 5: Solve for x
   x = 67,057,624,632,384/5,346,352
6. Step 6: Final answer
   x = 12,542,687.92