Finding the Third Proportional to 54,910 and 82,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,910 : 82,816.50 = 82,816.50 : x
2. Step 2: Convert to fraction form
   54,910/82,816.50 = 82,816.50/x
3. Step 3: Cross multiply
   54,910x = 82,816.50 × 82,816.50
4. Step 4: Simplify right side
   54,910x = 6,858,572,672.25
5. Step 5: Solve for x
   x = 6,858,572,672.25/54,910
6. Step 6: Final answer
   x = 124,905.71