Finding the Third Proportional to 161,870.06 and 239,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,870.06 : 239,665.50 = 239,665.50 : x
2. Step 2: Convert to fraction form
   161,870.06/239,665.50 = 239,665.50/x
3. Step 3: Cross multiply
   161,870.06x = 239,665.50 × 239,665.50
4. Step 4: Simplify right side
   161,870.06x = 57,439,551,890.25
5. Step 5: Solve for x
   x = 57,439,551,890.25/161,870.06
6. Step 6: Final answer
   x = 354,849.75