Finding the Third Proportional to 28,212.75 and 60,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,212.75 : 60,313.50 = 60,313.50 : x
2. Step 2: Convert to fraction form
   28,212.75/60,313.50 = 60,313.50/x
3. Step 3: Cross multiply
   28,212.75x = 60,313.50 × 60,313.50
4. Step 4: Simplify right side
   28,212.75x = 3,637,718,282.25
5. Step 5: Solve for x
   x = 3,637,718,282.25/28,212.75
6. Step 6: Final answer
   x = 128,938.81