Finding the Third Proportional to 113,861.25 and 170,172

Step by Step Solution

1. Step 1: Write the proportion equation
   113,861.25 : 170,172 = 170,172 : x
2. Step 2: Convert to fraction form
   113,861.25/170,172 = 170,172/x
3. Step 3: Cross multiply
   113,861.25x = 170,172 × 170,172
4. Step 4: Simplify right side
   113,861.25x = 28,958,509,584
5. Step 5: Solve for x
   x = 28,958,509,584/113,861.25
6. Step 6: Final answer
   x = 254,331.56