Finding the Third Proportional to 2,156,074.50 and 4,375,504.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,074.50 : 4,375,504.50 = 4,375,504.50 : x
2. Step 2: Convert to fraction form
   2,156,074.50/4,375,504.50 = 4,375,504.50/x
3. Step 3: Cross multiply
   2,156,074.50x = 4,375,504.50 × 4,375,504.50
4. Step 4: Simplify right side
   2,156,074.50x = 19,145,039,629,520.25
5. Step 5: Solve for x
   x = 19,145,039,629,520.25/2,156,074.50
6. Step 6: Final answer
   x = 8,879,581.68