Finding the Third Proportional to 13,090.57 and 28,256.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,090.57 : 28,256.77 = 28,256.77 : x
2. Step 2: Convert to fraction form
   13,090.57/28,256.77 = 28,256.77/x
3. Step 3: Cross multiply
   13,090.57x = 28,256.77 × 28,256.77
4. Step 4: Simplify right side
   13,090.57x = 798,444,803.59
5. Step 5: Solve for x
   x = 798,444,803.59/13,090.57
6. Step 6: Final answer
   x = 60,993.89