Finding the Third Proportional to 18,427.50 and 28,370.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,427.50 : 28,370.25 = 28,370.25 : x
2. Step 2: Convert to fraction form
   18,427.50/28,370.25 = 28,370.25/x
3. Step 3: Cross multiply
   18,427.50x = 28,370.25 × 28,370.25
4. Step 4: Simplify right side
   18,427.50x = 804,871,085.06
5. Step 5: Solve for x
   x = 804,871,085.06/18,427.50
6. Step 6: Final answer
   x = 43,677.71