Finding the Third Proportional to 59,603.91 and 129,459.38

Step by Step Solution

1. Step 1: Write the proportion equation
   59,603.91 : 129,459.38 = 129,459.38 : x
2. Step 2: Convert to fraction form
   59,603.91/129,459.38 = 129,459.38/x
3. Step 3: Cross multiply
   59,603.91x = 129,459.38 × 129,459.38
4. Step 4: Simplify right side
   59,603.91x = 16,759,729,775.39
5. Step 5: Solve for x
   x = 16,759,729,775.39/59,603.91
6. Step 6: Final answer
   x = 281,185.09