Finding the Third Proportional to 72,106.50 and 154,869

Step by Step Solution

1. Step 1: Write the proportion equation
   72,106.50 : 154,869 = 154,869 : x
2. Step 2: Convert to fraction form
   72,106.50/154,869 = 154,869/x
3. Step 3: Cross multiply
   72,106.50x = 154,869 × 154,869
4. Step 4: Simplify right side
   72,106.50x = 23,984,407,161
5. Step 5: Solve for x
   x = 23,984,407,161/72,106.50
6. Step 6: Final answer
   x = 332,624.76