Finding the Third Proportional to 17,172 and 25,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,172 : 25,798.50 = 25,798.50 : x
2. Step 2: Convert to fraction form
   17,172/25,798.50 = 25,798.50/x
3. Step 3: Cross multiply
   17,172x = 25,798.50 × 25,798.50
4. Step 4: Simplify right side
   17,172x = 665,562,602.25
5. Step 5: Solve for x
   x = 665,562,602.25/17,172
6. Step 6: Final answer
   x = 38,758.60