Finding the Third Proportional to 54,629.50 and 82,443.75

Step by Step Solution

1. Step 1: Write the proportion equation
   54,629.50 : 82,443.75 = 82,443.75 : x
2. Step 2: Convert to fraction form
   54,629.50/82,443.75 = 82,443.75/x
3. Step 3: Cross multiply
   54,629.50x = 82,443.75 × 82,443.75
4. Step 4: Simplify right side
   54,629.50x = 6,796,971,914.06
5. Step 5: Solve for x
   x = 6,796,971,914.06/54,629.50
6. Step 6: Final answer
   x = 124,419.44