Finding the Third Proportional to 89,486 and 134,222

Step by Step Solution

1. Step 1: Write the proportion equation
   89,486 : 134,222 = 134,222 : x
2. Step 2: Convert to fraction form
   89,486/134,222 = 134,222/x
3. Step 3: Cross multiply
   89,486x = 134,222 × 134,222
4. Step 4: Simplify right side
   89,486x = 18,015,545,284
5. Step 5: Solve for x
   x = 18,015,545,284/89,486
6. Step 6: Final answer
   x = 201,322.50