Finding the Third Proportional to 59,441.63 and 128,792.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,441.63 : 128,792.25 = 128,792.25 : x
2. Step 2: Convert to fraction form
   59,441.63/128,792.25 = 128,792.25/x
3. Step 3: Cross multiply
   59,441.63x = 128,792.25 × 128,792.25
4. Step 4: Simplify right side
   59,441.63x = 16,587,443,660.06
5. Step 5: Solve for x
   x = 16,587,443,660.06/59,441.63
6. Step 6: Final answer
   x = 279,054.34