Finding the Third Proportional to 28,364.50 and 60,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,364.50 : 60,315.50 = 60,315.50 : x
2. Step 2: Convert to fraction form
   28,364.50/60,315.50 = 60,315.50/x
3. Step 3: Cross multiply
   28,364.50x = 60,315.50 × 60,315.50
4. Step 4: Simplify right side
   28,364.50x = 3,637,959,540.25
5. Step 5: Solve for x
   x = 3,637,959,540.25/28,364.50
6. Step 6: Final answer
   x = 128,257.49