Finding the Third Proportional to 39,028.50 and 83,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,028.50 : 83,980.50 = 83,980.50 : x
2. Step 2: Convert to fraction form
   39,028.50/83,980.50 = 83,980.50/x
3. Step 3: Cross multiply
   39,028.50x = 83,980.50 × 83,980.50
4. Step 4: Simplify right side
   39,028.50x = 7,052,724,380.25
5. Step 5: Solve for x
   x = 7,052,724,380.25/39,028.50
6. Step 6: Final answer
   x = 180,707.03