Finding the Third Proportional to 194,726 and 404,248

Step by Step Solution

1. Step 1: Write the proportion equation
   194,726 : 404,248 = 404,248 : x
2. Step 2: Convert to fraction form
   194,726/404,248 = 404,248/x
3. Step 3: Cross multiply
   194,726x = 404,248 × 404,248
4. Step 4: Simplify right side
   194,726x = 163,416,445,504
5. Step 5: Solve for x
   x = 163,416,445,504/194,726
6. Step 6: Final answer
   x = 839,212.25