Finding the Third Proportional to 13,090.50 and 28,286.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,090.50 : 28,286.50 = 28,286.50 : x
2. Step 2: Convert to fraction form
   13,090.50/28,286.50 = 28,286.50/x
3. Step 3: Cross multiply
   13,090.50x = 28,286.50 × 28,286.50
4. Step 4: Simplify right side
   13,090.50x = 800,126,082.25
5. Step 5: Solve for x
   x = 800,126,082.25/13,090.50
6. Step 6: Final answer
   x = 61,122.65