Finding the Third Proportional to 6,458,568 and 10,000,422

Step by Step Solution

1. Step 1: Write the proportion equation
   6,458,568 : 10,000,422 = 10,000,422 : x
2. Step 2: Convert to fraction form
   6,458,568/10,000,422 = 10,000,422/x
3. Step 3: Cross multiply
   6,458,568x = 10,000,422 × 10,000,422
4. Step 4: Simplify right side
   6,458,568x = 100,008,440,178,084
5. Step 5: Solve for x
   x = 100,008,440,178,084/6,458,568
6. Step 6: Final answer
   x = 15,484,615.19