Finding the Third Proportional to 11,187 and 24,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,187 : 24,477.50 = 24,477.50 : x
2. Step 2: Convert to fraction form
   11,187/24,477.50 = 24,477.50/x
3. Step 3: Cross multiply
   11,187x = 24,477.50 × 24,477.50
4. Step 4: Simplify right side
   11,187x = 599,148,006.25
5. Step 5: Solve for x
   x = 599,148,006.25/11,187
6. Step 6: Final answer
   x = 53,557.52