Finding the Third Proportional to 59,606.50 and 90,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,606.50 : 90,017.50 = 90,017.50 : x
2. Step 2: Convert to fraction form
   59,606.50/90,017.50 = 90,017.50/x
3. Step 3: Cross multiply
   59,606.50x = 90,017.50 × 90,017.50
4. Step 4: Simplify right side
   59,606.50x = 8,103,150,306.25
5. Step 5: Solve for x
   x = 8,103,150,306.25/59,606.50
6. Step 6: Final answer
   x = 135,944.07