Finding the Third Proportional to 13,425.75 and 27,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425.75 : 27,715.50 = 27,715.50 : x
2. Step 2: Convert to fraction form
   13,425.75/27,715.50 = 27,715.50/x
3. Step 3: Cross multiply
   13,425.75x = 27,715.50 × 27,715.50
4. Step 4: Simplify right side
   13,425.75x = 768,148,940.25
5. Step 5: Solve for x
   x = 768,148,940.25/13,425.75
6. Step 6: Final answer
   x = 57,214.60