Finding the Third Proportional to 119,191.50 and 171,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,191.50 : 171,355.50 = 171,355.50 : x
2. Step 2: Convert to fraction form
   119,191.50/171,355.50 = 171,355.50/x
3. Step 3: Cross multiply
   119,191.50x = 171,355.50 × 171,355.50
4. Step 4: Simplify right side
   119,191.50x = 29,362,707,380.25
5. Step 5: Solve for x
   x = 29,362,707,380.25/119,191.50
6. Step 6: Final answer
   x = 246,349.00