Finding the Third Proportional to 72,019.13 and 154,699.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,019.13 : 154,699.88 = 154,699.88 : x
2. Step 2: Convert to fraction form
   72,019.13/154,699.88 = 154,699.88/x
3. Step 3: Cross multiply
   72,019.13x = 154,699.88 × 154,699.88
4. Step 4: Simplify right side
   72,019.13x = 23,932,051,325.02
5. Step 5: Solve for x
   x = 23,932,051,325.02/72,019.13
6. Step 6: Final answer
   x = 332,301.33