Finding the Third Proportional to 54,623.25 and 82,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,623.25 : 82,435.50 = 82,435.50 : x
2. Step 2: Convert to fraction form
   54,623.25/82,435.50 = 82,435.50/x
3. Step 3: Cross multiply
   54,623.25x = 82,435.50 × 82,435.50
4. Step 4: Simplify right side
   54,623.25x = 6,795,611,660.25
5. Step 5: Solve for x
   x = 6,795,611,660.25/54,623.25
6. Step 6: Final answer
   x = 124,408.78