Finding the Third Proportional to 5,340,308 and 8,263,882

Step by Step Solution

1. Step 1: Write the proportion equation
   5,340,308 : 8,263,882 = 8,263,882 : x
2. Step 2: Convert to fraction form
   5,340,308/8,263,882 = 8,263,882/x
3. Step 3: Cross multiply
   5,340,308x = 8,263,882 × 8,263,882
4. Step 4: Simplify right side
   5,340,308x = 68,291,745,709,924
5. Step 5: Solve for x
   x = 68,291,745,709,924/5,340,308
6. Step 6: Final answer
   x = 12,787,978.84