Finding the Third Proportional to 4,405.50 and 5,870.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,405.50 : 5,870.25 = 5,870.25 : x
2. Step 2: Convert to fraction form
   4,405.50/5,870.25 = 5,870.25/x
3. Step 3: Cross multiply
   4,405.50x = 5,870.25 × 5,870.25
4. Step 4: Simplify right side
   4,405.50x = 34,459,835.06
5. Step 5: Solve for x
   x = 34,459,835.06/4,405.50
6. Step 6: Final answer
   x = 7,822.00