Finding the Third Proportional to 12,835.50 and 27,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,835.50 : 27,790.50 = 27,790.50 : x
2. Step 2: Convert to fraction form
   12,835.50/27,790.50 = 27,790.50/x
3. Step 3: Cross multiply
   12,835.50x = 27,790.50 × 27,790.50
4. Step 4: Simplify right side
   12,835.50x = 772,311,890.25
5. Step 5: Solve for x
   x = 772,311,890.25/12,835.50
6. Step 6: Final answer
   x = 60,169.99