Finding the Third Proportional to 202,790 and 452,164

Step by Step Solution

1. Step 1: Write the proportion equation
   202,790 : 452,164 = 452,164 : x
2. Step 2: Convert to fraction form
   202,790/452,164 = 452,164/x
3. Step 3: Cross multiply
   202,790x = 452,164 × 452,164
4. Step 4: Simplify right side
   202,790x = 204,452,282,896
5. Step 5: Solve for x
   x = 204,452,282,896/202,790
6. Step 6: Final answer
   x = 1,008,197.07