Finding the Third Proportional to 9,131,436 and 19,280,880

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131,436 : 19,280,880 = 19,280,880 : x
2. Step 2: Convert to fraction form
   9,131,436/19,280,880 = 19,280,880/x
3. Step 3: Cross multiply
   9,131,436x = 19,280,880 × 19,280,880
4. Step 4: Simplify right side
   9,131,436x = 371,752,333,574,400
5. Step 5: Solve for x
   x = 371,752,333,574,400/9,131,436
6. Step 6: Final answer
   x = 40,711,267.49