Finding the Third Proportional to 79,285.50 and 105,698.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,285.50 : 105,698.25 = 105,698.25 : x
2. Step 2: Convert to fraction form
   79,285.50/105,698.25 = 105,698.25/x
3. Step 3: Cross multiply
   79,285.50x = 105,698.25 × 105,698.25
4. Step 4: Simplify right side
   79,285.50x = 11,172,120,053.06
5. Step 5: Solve for x
   x = 11,172,120,053.06/79,285.50
6. Step 6: Final answer
   x = 140,910.00