Finding the Third Proportional to 30,859.88 and 46,087.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,859.88 : 46,087.31 = 46,087.31 : x
2. Step 2: Convert to fraction form
   30,859.88/46,087.31 = 46,087.31/x
3. Step 3: Cross multiply
   30,859.88x = 46,087.31 × 46,087.31
4. Step 4: Simplify right side
   30,859.88x = 2,124,040,373.47
5. Step 5: Solve for x
   x = 2,124,040,373.47/30,859.88
6. Step 6: Final answer
   x = 68,828.55