Finding the Third Proportional to 72,801.25 and 155,722.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,801.25 : 155,722.75 = 155,722.75 : x
2. Step 2: Convert to fraction form
   72,801.25/155,722.75 = 155,722.75/x
3. Step 3: Cross multiply
   72,801.25x = 155,722.75 × 155,722.75
4. Step 4: Simplify right side
   72,801.25x = 24,249,574,867.56
5. Step 5: Solve for x
   x = 24,249,574,867.56/72,801.25
6. Step 6: Final answer
   x = 333,092.84