Finding the Third Proportional to 16,688.25 and 22,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,688.25 : 22,477.50 = 22,477.50 : x
2. Step 2: Convert to fraction form
   16,688.25/22,477.50 = 22,477.50/x
3. Step 3: Cross multiply
   16,688.25x = 22,477.50 × 22,477.50
4. Step 4: Simplify right side
   16,688.25x = 505,238,006.25
5. Step 5: Solve for x
   x = 505,238,006.25/16,688.25
6. Step 6: Final answer
   x = 30,275.07