Finding the Third Proportional to 4,719.88 and 10,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,719.88 : 10,287.50 = 10,287.50 : x
2. Step 2: Convert to fraction form
   4,719.88/10,287.50 = 10,287.50/x
3. Step 3: Cross multiply
   4,719.88x = 10,287.50 × 10,287.50
4. Step 4: Simplify right side
   4,719.88x = 105,832,656.25
5. Step 5: Solve for x
   x = 105,832,656.25/4,719.88
6. Step 6: Final answer
   x = 22,422.77