Finding the Third Proportional to 59,091 and 129,666

Step by Step Solution

1. Step 1: Write the proportion equation
   59,091 : 129,666 = 129,666 : x
2. Step 2: Convert to fraction form
   59,091/129,666 = 129,666/x
3. Step 3: Cross multiply
   59,091x = 129,666 × 129,666
4. Step 4: Simplify right side
   59,091x = 16,813,271,556
5. Step 5: Solve for x
   x = 16,813,271,556/59,091
6. Step 6: Final answer
   x = 284,531.85