Finding the Third Proportional to 4,387.50 and 9,590.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,387.50 : 9,590.06 = 9,590.06 : x
2. Step 2: Convert to fraction form
   4,387.50/9,590.06 = 9,590.06/x
3. Step 3: Cross multiply
   4,387.50x = 9,590.06 × 9,590.06
4. Step 4: Simplify right side
   4,387.50x = 91,969,298.75
5. Step 5: Solve for x
   x = 91,969,298.75/4,387.50
6. Step 6: Final answer
   x = 20,961.66