Finding the Third Proportional to 12,922,704 and 20,007,188

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922,704 : 20,007,188 = 20,007,188 : x
2. Step 2: Convert to fraction form
   12,922,704/20,007,188 = 20,007,188/x
3. Step 3: Cross multiply
   12,922,704x = 20,007,188 × 20,007,188
4. Step 4: Simplify right side
   12,922,704x = 400,287,571,667,344
5. Step 5: Solve for x
   x = 400,287,571,667,344/12,922,704
6. Step 6: Final answer
   x = 30,975,527.39