Finding the Third Proportional to 12,171.94 and 26,191.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,171.94 : 26,191.69 = 26,191.69 : x
2. Step 2: Convert to fraction form
   12,171.94/26,191.69 = 26,191.69/x
3. Step 3: Cross multiply
   12,171.94x = 26,191.69 × 26,191.69
4. Step 4: Simplify right side
   12,171.94x = 686,004,494.10
5. Step 5: Solve for x
   x = 686,004,494.10/12,171.94
6. Step 6: Final answer
   x = 56,359.51