Finding the Third Proportional to 202,360 and 296,978

Step by Step Solution

1. Step 1: Write the proportion equation
   202,360 : 296,978 = 296,978 : x
2. Step 2: Convert to fraction form
   202,360/296,978 = 296,978/x
3. Step 3: Cross multiply
   202,360x = 296,978 × 296,978
4. Step 4: Simplify right side
   202,360x = 88,195,932,484
5. Step 5: Solve for x
   x = 88,195,932,484/202,360
6. Step 6: Final answer
   x = 435,836.79