Finding the Third Proportional to 202,155 and 239,061

Step by Step Solution

1. Step 1: Write the proportion equation
   202,155 : 239,061 = 239,061 : x
2. Step 2: Convert to fraction form
   202,155/239,061 = 239,061/x
3. Step 3: Cross multiply
   202,155x = 239,061 × 239,061
4. Step 4: Simplify right side
   202,155x = 57,150,161,721
5. Step 5: Solve for x
   x = 57,150,161,721/202,155
6. Step 6: Final answer
   x = 282,704.67