Finding the Third Proportional to 3,208,716 and 7,134,690

Step by Step Solution

1. Step 1: Write the proportion equation
   3,208,716 : 7,134,690 = 7,134,690 : x
2. Step 2: Convert to fraction form
   3,208,716/7,134,690 = 7,134,690/x
3. Step 3: Cross multiply
   3,208,716x = 7,134,690 × 7,134,690
4. Step 4: Simplify right side
   3,208,716x = 50,903,801,396,100
5. Step 5: Solve for x
   x = 50,903,801,396,100/3,208,716
6. Step 6: Final answer
   x = 15,864,227.75