Finding the Third Proportional to 39,828.50 and 60,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,828.50 : 60,320.50 = 60,320.50 : x
2. Step 2: Convert to fraction form
   39,828.50/60,320.50 = 60,320.50/x
3. Step 3: Cross multiply
   39,828.50x = 60,320.50 × 60,320.50
4. Step 4: Simplify right side
   39,828.50x = 3,638,562,720.25
5. Step 5: Solve for x
   x = 3,638,562,720.25/39,828.50
6. Step 6: Final answer
   x = 91,355.76