Finding the Third Proportional to 18,142.50 and 27,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,142.50 : 27,487.50 = 27,487.50 : x
2. Step 2: Convert to fraction form
   18,142.50/27,487.50 = 27,487.50/x
3. Step 3: Cross multiply
   18,142.50x = 27,487.50 × 27,487.50
4. Step 4: Simplify right side
   18,142.50x = 755,562,656.25
5. Step 5: Solve for x
   x = 755,562,656.25/18,142.50
6. Step 6: Final answer
   x = 41,646.01