Finding the Third Proportional to 26,431.73 and 55,458.21

Step by Step Solution

1. Step 1: Write the proportion equation
   26,431.73 : 55,458.21 = 55,458.21 : x
2. Step 2: Convert to fraction form
   26,431.73/55,458.21 = 55,458.21/x
3. Step 3: Cross multiply
   26,431.73x = 55,458.21 × 55,458.21
4. Step 4: Simplify right side
   26,431.73x = 3,075,613,160.39
5. Step 5: Solve for x
   x = 3,075,613,160.39/26,431.73
6. Step 6: Final answer
   x = 116,360.63