Finding the Third Proportional to 13,387.78 and 28,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,387.78 : 28,552.50 = 28,552.50 : x
2. Step 2: Convert to fraction form
   13,387.78/28,552.50 = 28,552.50/x
3. Step 3: Cross multiply
   13,387.78x = 28,552.50 × 28,552.50
4. Step 4: Simplify right side
   13,387.78x = 815,245,256.25
5. Step 5: Solve for x
   x = 815,245,256.25/13,387.78
6. Step 6: Final answer
   x = 60,894.72