Finding the Third Proportional to 59,150 and 128,248

Step by Step Solution

1. Step 1: Write the proportion equation
   59,150 : 128,248 = 128,248 : x
2. Step 2: Convert to fraction form
   59,150/128,248 = 128,248/x
3. Step 3: Cross multiply
   59,150x = 128,248 × 128,248
4. Step 4: Simplify right side
   59,150x = 16,447,549,504
5. Step 5: Solve for x
   x = 16,447,549,504/59,150
6. Step 6: Final answer
   x = 278,065.08