Finding the Third Proportional to 46,643.25 and 72,708.75

Step by Step Solution

1. Step 1: Write the proportion equation
   46,643.25 : 72,708.75 = 72,708.75 : x
2. Step 2: Convert to fraction form
   46,643.25/72,708.75 = 72,708.75/x
3. Step 3: Cross multiply
   46,643.25x = 72,708.75 × 72,708.75
4. Step 4: Simplify right side
   46,643.25x = 5,286,562,326.56
5. Step 5: Solve for x
   x = 5,286,562,326.56/46,643.25
6. Step 6: Final answer
   x = 113,340.35