Finding the Third Proportional to 12,812.25 and 27,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,812.25 : 27,868.50 = 27,868.50 : x
2. Step 2: Convert to fraction form
   12,812.25/27,868.50 = 27,868.50/x
3. Step 3: Cross multiply
   12,812.25x = 27,868.50 × 27,868.50
4. Step 4: Simplify right side
   12,812.25x = 776,653,292.25
5. Step 5: Solve for x
   x = 776,653,292.25/12,812.25
6. Step 6: Final answer
   x = 60,618.03