Finding the Third Proportional to 56,821 and 86,962

Step by Step Solution

1. Step 1: Write the proportion equation
   56,821 : 86,962 = 86,962 : x
2. Step 2: Convert to fraction form
   56,821/86,962 = 86,962/x
3. Step 3: Cross multiply
   56,821x = 86,962 × 86,962
4. Step 4: Simplify right side
   56,821x = 7,562,389,444
5. Step 5: Solve for x
   x = 7,562,389,444/56,821
6. Step 6: Final answer
   x = 133,091.45