Finding the Third Proportional to 35,559 and 55,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,559 : 55,078.50 = 55,078.50 : x
2. Step 2: Convert to fraction form
   35,559/55,078.50 = 55,078.50/x
3. Step 3: Cross multiply
   35,559x = 55,078.50 × 55,078.50
4. Step 4: Simplify right side
   35,559x = 3,033,641,162.25
5. Step 5: Solve for x
   x = 3,033,641,162.25/35,559
6. Step 6: Final answer
   x = 85,312.89