Finding the Third Proportional to 68,983.50 and 147,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,983.50 : 147,940.50 = 147,940.50 : x
2. Step 2: Convert to fraction form
   68,983.50/147,940.50 = 147,940.50/x
3. Step 3: Cross multiply
   68,983.50x = 147,940.50 × 147,940.50
4. Step 4: Simplify right side
   68,983.50x = 21,886,391,540.25
5. Step 5: Solve for x
   x = 21,886,391,540.25/68,983.50
6. Step 6: Final answer
   x = 317,269.95