Finding the Third Proportional to 59,406 and 129,060

Step by Step Solution

1. Step 1: Write the proportion equation
   59,406 : 129,060 = 129,060 : x
2. Step 2: Convert to fraction form
   59,406/129,060 = 129,060/x
3. Step 3: Cross multiply
   59,406x = 129,060 × 129,060
4. Step 4: Simplify right side
   59,406x = 16,656,483,600
5. Step 5: Solve for x
   x = 16,656,483,600/59,406
6. Step 6: Final answer
   x = 280,383.86