Finding the Third Proportional to 20,507.40 and 33,486.54

Step by Step Solution

1. Step 1: Write the proportion equation
   20,507.40 : 33,486.54 = 33,486.54 : x
2. Step 2: Convert to fraction form
   20,507.40/33,486.54 = 33,486.54/x
3. Step 3: Cross multiply
   20,507.40x = 33,486.54 × 33,486.54
4. Step 4: Simplify right side
   20,507.40x = 1,121,348,298.38
5. Step 5: Solve for x
   x = 1,121,348,298.38/20,507.40
6. Step 6: Final answer
   x = 54,680.19