Finding the Third Proportional to 59,428.50 and 131,979

Step by Step Solution

1. Step 1: Write the proportion equation
   59,428.50 : 131,979 = 131,979 : x
2. Step 2: Convert to fraction form
   59,428.50/131,979 = 131,979/x
3. Step 3: Cross multiply
   59,428.50x = 131,979 × 131,979
4. Step 4: Simplify right side
   59,428.50x = 17,418,456,441
5. Step 5: Solve for x
   x = 17,418,456,441/59,428.50
6. Step 6: Final answer
   x = 293,099.38