Finding the Third Proportional to 2,171,491.88 and 4,288,484.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,491.88 : 4,288,484.25 = 4,288,484.25 : x
2. Step 2: Convert to fraction form
   2,171,491.88/4,288,484.25 = 4,288,484.25/x
3. Step 3: Cross multiply
   2,171,491.88x = 4,288,484.25 × 4,288,484.25
4. Step 4: Simplify right side
   2,171,491.88x = 18,391,097,162,498.06
5. Step 5: Solve for x
   x = 18,391,097,162,498.06/2,171,491.88
6. Step 6: Final answer
   x = 8,469,337.31