Finding the Third Proportional to 13,140.56 and 20,094.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,140.56 : 20,094.75 = 20,094.75 : x
2. Step 2: Convert to fraction form
   13,140.56/20,094.75 = 20,094.75/x
3. Step 3: Cross multiply
   13,140.56x = 20,094.75 × 20,094.75
4. Step 4: Simplify right side
   13,140.56x = 403,798,977.56
5. Step 5: Solve for x
   x = 403,798,977.56/13,140.56
6. Step 6: Final answer
   x = 30,729.20