Finding the Third Proportional to 67,661.50 and 146,804

Step by Step Solution

1. Step 1: Write the proportion equation
   67,661.50 : 146,804 = 146,804 : x
2. Step 2: Convert to fraction form
   67,661.50/146,804 = 146,804/x
3. Step 3: Cross multiply
   67,661.50x = 146,804 × 146,804
4. Step 4: Simplify right side
   67,661.50x = 21,551,414,416
5. Step 5: Solve for x
   x = 21,551,414,416/67,661.50
6. Step 6: Final answer
   x = 318,518.13