Finding the Third Proportional to 191,246 and 404,380

Step by Step Solution

1. Step 1: Write the proportion equation
   191,246 : 404,380 = 404,380 : x
2. Step 2: Convert to fraction form
   191,246/404,380 = 404,380/x
3. Step 3: Cross multiply
   191,246x = 404,380 × 404,380
4. Step 4: Simplify right side
   191,246x = 163,523,184,400
5. Step 5: Solve for x
   x = 163,523,184,400/191,246
6. Step 6: Final answer
   x = 855,041.07