Finding the Third Proportional to 67,828.50 and 107,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,828.50 : 107,485.50 = 107,485.50 : x
2. Step 2: Convert to fraction form
   67,828.50/107,485.50 = 107,485.50/x
3. Step 3: Cross multiply
   67,828.50x = 107,485.50 × 107,485.50
4. Step 4: Simplify right side
   67,828.50x = 11,553,132,710.25
5. Step 5: Solve for x
   x = 11,553,132,710.25/67,828.50
6. Step 6: Final answer
   x = 170,328.59