Finding the Third Proportional to 59,890 and 130,406

Step by Step Solution

1. Step 1: Write the proportion equation
   59,890 : 130,406 = 130,406 : x
2. Step 2: Convert to fraction form
   59,890/130,406 = 130,406/x
3. Step 3: Cross multiply
   59,890x = 130,406 × 130,406
4. Step 4: Simplify right side
   59,890x = 17,005,724,836
5. Step 5: Solve for x
   x = 17,005,724,836/59,890
6. Step 6: Final answer
   x = 283,949.32