Finding the Third Proportional to 5,346,354 and 8,188,875

Step by Step Solution

1. Step 1: Write the proportion equation
   5,346,354 : 8,188,875 = 8,188,875 : x
2. Step 2: Convert to fraction form
   5,346,354/8,188,875 = 8,188,875/x
3. Step 3: Cross multiply
   5,346,354x = 8,188,875 × 8,188,875
4. Step 4: Simplify right side
   5,346,354x = 67,057,673,765,625
5. Step 5: Solve for x
   x = 67,057,673,765,625/5,346,354
6. Step 6: Final answer
   x = 12,542,692.42