Finding the Third Proportional to 2,131.88 and 4,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.88 : 4,567.50 = 4,567.50 : x
2. Step 2: Convert to fraction form
   2,131.88/4,567.50 = 4,567.50/x
3. Step 3: Cross multiply
   2,131.88x = 4,567.50 × 4,567.50
4. Step 4: Simplify right side
   2,131.88x = 20,862,056.25
5. Step 5: Solve for x
   x = 20,862,056.25/2,131.88
6. Step 6: Final answer
   x = 9,785.78