Finding the Third Proportional to 109,370.25 and 171,345.38

Step by Step Solution

1. Step 1: Write the proportion equation
   109,370.25 : 171,345.38 = 171,345.38 : x
2. Step 2: Convert to fraction form
   109,370.25/171,345.38 = 171,345.38/x
3. Step 3: Cross multiply
   109,370.25x = 171,345.38 × 171,345.38
4. Step 4: Simplify right side
   109,370.25x = 29,359,237,533.89
5. Step 5: Solve for x
   x = 29,359,237,533.89/109,370.25
6. Step 6: Final answer
   x = 268,438.97