Finding the Third Proportional to 26,940 and 59,172

Step by Step Solution

1. Step 1: Write the proportion equation
   26,940 : 59,172 = 59,172 : x
2. Step 2: Convert to fraction form
   26,940/59,172 = 59,172/x
3. Step 3: Cross multiply
   26,940x = 59,172 × 59,172
4. Step 4: Simplify right side
   26,940x = 3,501,325,584
5. Step 5: Solve for x
   x = 3,501,325,584/26,940
6. Step 6: Final answer
   x = 129,967.54