Finding the Third Proportional to 72,042.75 and 155,182.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,042.75 : 155,182.50 = 155,182.50 : x
2. Step 2: Convert to fraction form
   72,042.75/155,182.50 = 155,182.50/x
3. Step 3: Cross multiply
   72,042.75x = 155,182.50 × 155,182.50
4. Step 4: Simplify right side
   72,042.75x = 24,081,608,306.25
5. Step 5: Solve for x
   x = 24,081,608,306.25/72,042.75
6. Step 6: Final answer
   x = 334,268.31