Finding the Third Proportional to 56,469 and 82,819

Step by Step Solution

1. Step 1: Write the proportion equation
   56,469 : 82,819 = 82,819 : x
2. Step 2: Convert to fraction form
   56,469/82,819 = 82,819/x
3. Step 3: Cross multiply
   56,469x = 82,819 × 82,819
4. Step 4: Simplify right side
   56,469x = 6,858,986,761
5. Step 5: Solve for x
   x = 6,858,986,761/56,469
6. Step 6: Final answer
   x = 121,464.64