Finding the Third Proportional to 16,615 and 25,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,615 : 25,354.50 = 25,354.50 : x
2. Step 2: Convert to fraction form
   16,615/25,354.50 = 25,354.50/x
3. Step 3: Cross multiply
   16,615x = 25,354.50 × 25,354.50
4. Step 4: Simplify right side
   16,615x = 642,850,670.25
5. Step 5: Solve for x
   x = 642,850,670.25/16,615
6. Step 6: Final answer
   x = 38,690.98