Finding the Third Proportional to 26,218.69 and 56,586.94

Step by Step Solution

1. Step 1: Write the proportion equation
   26,218.69 : 56,586.94 = 56,586.94 : x
2. Step 2: Convert to fraction form
   26,218.69/56,586.94 = 56,586.94/x
3. Step 3: Cross multiply
   26,218.69x = 56,586.94 × 56,586.94
4. Step 4: Simplify right side
   26,218.69x = 3,202,081,495.63
5. Step 5: Solve for x
   x = 3,202,081,495.63/26,218.69
6. Step 6: Final answer
   x = 122,129.74