Finding the Third Proportional to 46,918.50 and 72,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,918.50 : 72,758.50 = 72,758.50 : x
2. Step 2: Convert to fraction form
   46,918.50/72,758.50 = 72,758.50/x
3. Step 3: Cross multiply
   46,918.50x = 72,758.50 × 72,758.50
4. Step 4: Simplify right side
   46,918.50x = 5,293,799,322.25
5. Step 5: Solve for x
   x = 5,293,799,322.25/46,918.50
6. Step 6: Final answer
   x = 112,829.68