Finding the Third Proportional to 4,171,500 and 8,791,416

Step by Step Solution

1. Step 1: Write the proportion equation
   4,171,500 : 8,791,416 = 8,791,416 : x
2. Step 2: Convert to fraction form
   4,171,500/8,791,416 = 8,791,416/x
3. Step 3: Cross multiply
   4,171,500x = 8,791,416 × 8,791,416
4. Step 4: Simplify right side
   4,171,500x = 77,288,995,285,056
5. Step 5: Solve for x
   x = 77,288,995,285,056/4,171,500
6. Step 6: Final answer
   x = 18,527,866.54