Finding the Third Proportional to 18,085.50 and 28,778.63

Step by Step Solution

1. Step 1: Write the proportion equation
   18,085.50 : 28,778.63 = 28,778.63 : x
2. Step 2: Convert to fraction form
   18,085.50/28,778.63 = 28,778.63/x
3. Step 3: Cross multiply
   18,085.50x = 28,778.63 × 28,778.63
4. Step 4: Simplify right side
   18,085.50x = 828,209,256.89
5. Step 5: Solve for x
   x = 828,209,256.89/18,085.50
6. Step 6: Final answer
   x = 45,794.10