Finding the Third Proportional to 17,420.38 and 26,293.81

Step by Step Solution

1. Step 1: Write the proportion equation
   17,420.38 : 26,293.81 = 26,293.81 : x
2. Step 2: Convert to fraction form
   17,420.38/26,293.81 = 26,293.81/x
3. Step 3: Cross multiply
   17,420.38x = 26,293.81 × 26,293.81
4. Step 4: Simplify right side
   17,420.38x = 691,364,575.79
5. Step 5: Solve for x
   x = 691,364,575.79/17,420.38
6. Step 6: Final answer
   x = 39,687.12