Finding the Third Proportional to 5,388,132 and 8,530,347

Step by Step Solution

1. Step 1: Write the proportion equation
   5,388,132 : 8,530,347 = 8,530,347 : x
2. Step 2: Convert to fraction form
   5,388,132/8,530,347 = 8,530,347/x
3. Step 3: Cross multiply
   5,388,132x = 8,530,347 × 8,530,347
4. Step 4: Simplify right side
   5,388,132x = 72,766,819,940,409
5. Step 5: Solve for x
   x = 72,766,819,940,409/5,388,132
6. Step 6: Final answer
   x = 13,505,018.05