Finding the Third Proportional to 8,431,326 and 18,141,426

Step by Step Solution

1. Step 1: Write the proportion equation
   8,431,326 : 18,141,426 = 18,141,426 : x
2. Step 2: Convert to fraction form
   8,431,326/18,141,426 = 18,141,426/x
3. Step 3: Cross multiply
   8,431,326x = 18,141,426 × 18,141,426
4. Step 4: Simplify right side
   8,431,326x = 329,111,337,313,476
5. Step 5: Solve for x
   x = 329,111,337,313,476/8,431,326
6. Step 6: Final answer
   x = 39,034,350.86