Finding the Third Proportional to 2,558.50 and 3,821.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.50 : 3,821.95 = 3,821.95 : x
2. Step 2: Convert to fraction form
   2,558.50/3,821.95 = 3,821.95/x
3. Step 3: Cross multiply
   2,558.50x = 3,821.95 × 3,821.95
4. Step 4: Simplify right side
   2,558.50x = 14,607,303.30
5. Step 5: Solve for x
   x = 14,607,303.30/2,558.50
6. Step 6: Final answer
   x = 5,709.32