Finding the Third Proportional to 3,880,548 and 8,163,315

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880,548 : 8,163,315 = 8,163,315 : x
2. Step 2: Convert to fraction form
   3,880,548/8,163,315 = 8,163,315/x
3. Step 3: Cross multiply
   3,880,548x = 8,163,315 × 8,163,315
4. Step 4: Simplify right side
   3,880,548x = 66,639,711,789,225
5. Step 5: Solve for x
   x = 66,639,711,789,225/3,880,548
6. Step 6: Final answer
   x = 17,172,758.02