Finding the Third Proportional to 67,980.50 and 103,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,980.50 : 103,291.50 = 103,291.50 : x
2. Step 2: Convert to fraction form
   67,980.50/103,291.50 = 103,291.50/x
3. Step 3: Cross multiply
   67,980.50x = 103,291.50 × 103,291.50
4. Step 4: Simplify right side
   67,980.50x = 10,669,133,972.25
5. Step 5: Solve for x
   x = 10,669,133,972.25/67,980.50
6. Step 6: Final answer
   x = 156,944.04