Finding the Third Proportional to 2,385.56 and 4,208.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.56 : 4,208.06 = 4,208.06 : x
2. Step 2: Convert to fraction form
   2,385.56/4,208.06 = 4,208.06/x
3. Step 3: Cross multiply
   2,385.56x = 4,208.06 × 4,208.06
4. Step 4: Simplify right side
   2,385.56x = 17,707,790.00
5. Step 5: Solve for x
   x = 17,707,790.00/2,385.56
6. Step 6: Final answer
   x = 7,422.90