Finding the Third Proportional to 70,870.50 and 108,745.88

Step by Step Solution

1. Step 1: Write the proportion equation
   70,870.50 : 108,745.88 = 108,745.88 : x
2. Step 2: Convert to fraction form
   70,870.50/108,745.88 = 108,745.88/x
3. Step 3: Cross multiply
   70,870.50x = 108,745.88 × 108,745.88
4. Step 4: Simplify right side
   70,870.50x = 11,825,665,329.52
5. Step 5: Solve for x
   x = 11,825,665,329.52/70,870.50
6. Step 6: Final answer
   x = 166,863.02