Finding the Third Proportional to 72,901.90 and 151,620.61

Step by Step Solution

1. Step 1: Write the proportion equation
   72,901.90 : 151,620.61 = 151,620.61 : x
2. Step 2: Convert to fraction form
   72,901.90/151,620.61 = 151,620.61/x
3. Step 3: Cross multiply
   72,901.90x = 151,620.61 × 151,620.61
4. Step 4: Simplify right side
   72,901.90x = 22,988,809,187.25
5. Step 5: Solve for x
   x = 22,988,809,187.25/72,901.90
6. Step 6: Final answer
   x = 315,338.96