Finding the Third Proportional to 72,786.25 and 154,320.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,786.25 : 154,320.88 = 154,320.88 : x
2. Step 2: Convert to fraction form
   72,786.25/154,320.88 = 154,320.88/x
3. Step 3: Cross multiply
   72,786.25x = 154,320.88 × 154,320.88
4. Step 4: Simplify right side
   72,786.25x = 23,814,932,460.77
5. Step 5: Solve for x
   x = 23,814,932,460.77/72,786.25
6. Step 6: Final answer
   x = 327,189.99