Finding the Third Proportional to 59,154.22 and 128,289.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,154.22 : 128,289.25 = 128,289.25 : x
2. Step 2: Convert to fraction form
   59,154.22/128,289.25 = 128,289.25/x
3. Step 3: Cross multiply
   59,154.22x = 128,289.25 × 128,289.25
4. Step 4: Simplify right side
   59,154.22x = 16,458,131,665.56
5. Step 5: Solve for x
   x = 16,458,131,665.56/59,154.22
6. Step 6: Final answer
   x = 278,224.14