Finding the Third Proportional to 78,255 and 104,836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,255 : 104,836.50 = 104,836.50 : x
2. Step 2: Convert to fraction form
   78,255/104,836.50 = 104,836.50/x
3. Step 3: Cross multiply
   78,255x = 104,836.50 × 104,836.50
4. Step 4: Simplify right side
   78,255x = 10,990,691,732.25
5. Step 5: Solve for x
   x = 10,990,691,732.25/78,255
6. Step 6: Final answer
   x = 140,447.15