Finding the Third Proportional to 67,383.75 and 146,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,383.75 : 146,719.50 = 146,719.50 : x
2. Step 2: Convert to fraction form
   67,383.75/146,719.50 = 146,719.50/x
3. Step 3: Cross multiply
   67,383.75x = 146,719.50 × 146,719.50
4. Step 4: Simplify right side
   67,383.75x = 21,526,611,680.25
5. Step 5: Solve for x
   x = 21,526,611,680.25/67,383.75
6. Step 6: Final answer
   x = 319,462.95