Finding the Third Proportional to 3,880,540 and 8,163,300

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880,540 : 8,163,300 = 8,163,300 : x
2. Step 2: Convert to fraction form
   3,880,540/8,163,300 = 8,163,300/x
3. Step 3: Cross multiply
   3,880,540x = 8,163,300 × 8,163,300
4. Step 4: Simplify right side
   3,880,540x = 66,639,466,890,000
5. Step 5: Solve for x
   x = 66,639,466,890,000/3,880,540
6. Step 6: Final answer
   x = 17,172,730.31