Finding the Third Proportional to 4,401,389 and 9,332,680

Step by Step Solution

1. Step 1: Write the proportion equation
   4,401,389 : 9,332,680 = 9,332,680 : x
2. Step 2: Convert to fraction form
   4,401,389/9,332,680 = 9,332,680/x
3. Step 3: Cross multiply
   4,401,389x = 9,332,680 × 9,332,680
4. Step 4: Simplify right side
   4,401,389x = 87,098,915,982,400
5. Step 5: Solve for x
   x = 87,098,915,982,400/4,401,389
6. Step 6: Final answer
   x = 19,788,961.16