Finding the Third Proportional to 18,673.88 and 39,656.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,673.88 : 39,656.25 = 39,656.25 : x
2. Step 2: Convert to fraction form
   18,673.88/39,656.25 = 39,656.25/x
3. Step 3: Cross multiply
   18,673.88x = 39,656.25 × 39,656.25
4. Step 4: Simplify right side
   18,673.88x = 1,572,618,164.06
5. Step 5: Solve for x
   x = 1,572,618,164.06/18,673.88
6. Step 6: Final answer
   x = 84,214.88