Finding the Third Proportional to 4,163,376 and 8,876,412

Step by Step Solution

1. Step 1: Write the proportion equation
   4,163,376 : 8,876,412 = 8,876,412 : x
2. Step 2: Convert to fraction form
   4,163,376/8,876,412 = 8,876,412/x
3. Step 3: Cross multiply
   4,163,376x = 8,876,412 × 8,876,412
4. Step 4: Simplify right side
   4,163,376x = 78,790,689,993,744
5. Step 5: Solve for x
   x = 78,790,689,993,744/4,163,376
6. Step 6: Final answer
   x = 18,924,711.58