Finding the Third Proportional to 55,662 and 86,322

Step by Step Solution

1. Step 1: Write the proportion equation
   55,662 : 86,322 = 86,322 : x
2. Step 2: Convert to fraction form
   55,662/86,322 = 86,322/x
3. Step 3: Cross multiply
   55,662x = 86,322 × 86,322
4. Step 4: Simplify right side
   55,662x = 7,451,487,684
5. Step 5: Solve for x
   x = 7,451,487,684/55,662
6. Step 6: Final answer
   x = 133,870.28