Finding the Third Proportional to 18,071.25 and 27,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,071.25 : 27,811.50 = 27,811.50 : x
2. Step 2: Convert to fraction form
   18,071.25/27,811.50 = 27,811.50/x
3. Step 3: Cross multiply
   18,071.25x = 27,811.50 × 27,811.50
4. Step 4: Simplify right side
   18,071.25x = 773,479,532.25
5. Step 5: Solve for x
   x = 773,479,532.25/18,071.25
6. Step 6: Final answer
   x = 42,801.66