Finding the Third Proportional to 13,401.78 and 28,584.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.78 : 28,584.77 = 28,584.77 : x
2. Step 2: Convert to fraction form
   13,401.78/28,584.77 = 28,584.77/x
3. Step 3: Cross multiply
   13,401.78x = 28,584.77 × 28,584.77
4. Step 4: Simplify right side
   13,401.78x = 817,089,272.47
5. Step 5: Solve for x
   x = 817,089,272.47/13,401.78
6. Step 6: Final answer
   x = 60,968.70