Finding the Third Proportional to 85,220 and 132,322

Step by Step Solution

1. Step 1: Write the proportion equation
   85,220 : 132,322 = 132,322 : x
2. Step 2: Convert to fraction form
   85,220/132,322 = 132,322/x
3. Step 3: Cross multiply
   85,220x = 132,322 × 132,322
4. Step 4: Simplify right side
   85,220x = 17,509,111,684
5. Step 5: Solve for x
   x = 17,509,111,684/85,220
6. Step 6: Final answer
   x = 205,457.78