Finding the Third Proportional to 11,388 and 25,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,388 : 25,017.50 = 25,017.50 : x
2. Step 2: Convert to fraction form
   11,388/25,017.50 = 25,017.50/x
3. Step 3: Cross multiply
   11,388x = 25,017.50 × 25,017.50
4. Step 4: Simplify right side
   11,388x = 625,875,306.25
5. Step 5: Solve for x
   x = 625,875,306.25/11,388
6. Step 6: Final answer
   x = 54,959.19