Finding the Third Proportional to 18,870 and 25,537.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,870 : 25,537.50 = 25,537.50 : x
2. Step 2: Convert to fraction form
   18,870/25,537.50 = 25,537.50/x
3. Step 3: Cross multiply
   18,870x = 25,537.50 × 25,537.50
4. Step 4: Simplify right side
   18,870x = 652,163,906.25
5. Step 5: Solve for x
   x = 652,163,906.25/18,870
6. Step 6: Final answer
   x = 34,560.89