Finding the Third Proportional to 13,358.25 and 28,778.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,358.25 : 28,778.63 = 28,778.63 : x
2. Step 2: Convert to fraction form
   13,358.25/28,778.63 = 28,778.63/x
3. Step 3: Cross multiply
   13,358.25x = 28,778.63 × 28,778.63
4. Step 4: Simplify right side
   13,358.25x = 828,209,256.89
5. Step 5: Solve for x
   x = 828,209,256.89/13,358.25
6. Step 6: Final answer
   x = 61,999.83