Finding the Third Proportional to 8,960,486 and 19,662,793

Step by Step Solution

1. Step 1: Write the proportion equation
   8,960,486 : 19,662,793 = 19,662,793 : x
2. Step 2: Convert to fraction form
   8,960,486/19,662,793 = 19,662,793/x
3. Step 3: Cross multiply
   8,960,486x = 19,662,793 × 19,662,793
4. Step 4: Simplify right side
   8,960,486x = 386,625,428,560,849
5. Step 5: Solve for x
   x = 386,625,428,560,849/8,960,486
6. Step 6: Final answer
   x = 43,147,819.05