Finding the Third Proportional to 5,388,126 and 8,530,338

Step by Step Solution

1. Step 1: Write the proportion equation
   5,388,126 : 8,530,338 = 8,530,338 : x
2. Step 2: Convert to fraction form
   5,388,126/8,530,338 = 8,530,338/x
3. Step 3: Cross multiply
   5,388,126x = 8,530,338 × 8,530,338
4. Step 4: Simplify right side
   5,388,126x = 72,766,666,394,244
5. Step 5: Solve for x
   x = 72,766,666,394,244/5,388,126
6. Step 6: Final answer
   x = 13,505,004.60