Finding the Third Proportional to 3,212,655 and 7,011,308

Step by Step Solution

1. Step 1: Write the proportion equation
   3,212,655 : 7,011,308 = 7,011,308 : x
2. Step 2: Convert to fraction form
   3,212,655/7,011,308 = 7,011,308/x
3. Step 3: Cross multiply
   3,212,655x = 7,011,308 × 7,011,308
4. Step 4: Simplify right side
   3,212,655x = 49,158,439,870,864
5. Step 5: Solve for x
   x = 49,158,439,870,864/3,212,655
6. Step 6: Final answer
   x = 15,301,499.81