Finding the Third Proportional to 59,145.75 and 85,017.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,145.75 : 85,017.75 = 85,017.75 : x
2. Step 2: Convert to fraction form
   59,145.75/85,017.75 = 85,017.75/x
3. Step 3: Cross multiply
   59,145.75x = 85,017.75 × 85,017.75
4. Step 4: Simplify right side
   59,145.75x = 7,228,017,815.06
5. Step 5: Solve for x
   x = 7,228,017,815.06/59,145.75
6. Step 6: Final answer
   x = 122,206.88