Finding the Third Proportional to 43,121.25 and 59,378.91

Step by Step Solution

1. Step 1: Write the proportion equation
   43,121.25 : 59,378.91 = 59,378.91 : x
2. Step 2: Convert to fraction form
   43,121.25/59,378.91 = 59,378.91/x
3. Step 3: Cross multiply
   43,121.25x = 59,378.91 × 59,378.91
4. Step 4: Simplify right side
   43,121.25x = 3,525,854,507.45
5. Step 5: Solve for x
   x = 3,525,854,507.45/43,121.25
6. Step 6: Final answer
   x = 81,766.06