Finding the Third Proportional to 109,171.50 and 173,598.75

Step by Step Solution

1. Step 1: Write the proportion equation
   109,171.50 : 173,598.75 = 173,598.75 : x
2. Step 2: Convert to fraction form
   109,171.50/173,598.75 = 173,598.75/x
3. Step 3: Cross multiply
   109,171.50x = 173,598.75 × 173,598.75
4. Step 4: Simplify right side
   109,171.50x = 30,136,526,001.56
5. Step 5: Solve for x
   x = 30,136,526,001.56/109,171.50
6. Step 6: Final answer
   x = 276,047.56