Finding the Third Proportional to 72,608.75 and 157,280.17

Step by Step Solution

1. Step 1: Write the proportion equation
   72,608.75 : 157,280.17 = 157,280.17 : x
2. Step 2: Convert to fraction form
   72,608.75/157,280.17 = 157,280.17/x
3. Step 3: Cross multiply
   72,608.75x = 157,280.17 × 157,280.17
4. Step 4: Simplify right side
   72,608.75x = 24,737,051,236.28
5. Step 5: Solve for x
   x = 24,737,051,236.28/72,608.75
6. Step 6: Final answer
   x = 340,689.68