Finding the Third Proportional to 18,886.50 and 40,016.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,886.50 : 40,016.25 = 40,016.25 : x
2. Step 2: Convert to fraction form
   18,886.50/40,016.25 = 40,016.25/x
3. Step 3: Cross multiply
   18,886.50x = 40,016.25 × 40,016.25
4. Step 4: Simplify right side
   18,886.50x = 1,601,300,264.06
5. Step 5: Solve for x
   x = 1,601,300,264.06/18,886.50
6. Step 6: Final answer
   x = 84,785.44