Finding the Third Proportional to 5,388,134 and 8,530,350

Step by Step Solution

1. Step 1: Write the proportion equation
   5,388,134 : 8,530,350 = 8,530,350 : x
2. Step 2: Convert to fraction form
   5,388,134/8,530,350 = 8,530,350/x
3. Step 3: Cross multiply
   5,388,134x = 8,530,350 × 8,530,350
4. Step 4: Simplify right side
   5,388,134x = 72,766,871,122,500
5. Step 5: Solve for x
   x = 72,766,871,122,500/5,388,134
6. Step 6: Final answer
   x = 13,505,022.54