Finding the Third Proportional to 8,662.50 and 19,910.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662.50 : 19,910.25 = 19,910.25 : x
2. Step 2: Convert to fraction form
   8,662.50/19,910.25 = 19,910.25/x
3. Step 3: Cross multiply
   8,662.50x = 19,910.25 × 19,910.25
4. Step 4: Simplify right side
   8,662.50x = 396,418,055.06
5. Step 5: Solve for x
   x = 396,418,055.06/8,662.50
6. Step 6: Final answer
   x = 45,762.55