Finding the Third Proportional to 185,317 and 404,615

Step by Step Solution

1. Step 1: Write the proportion equation
   185,317 : 404,615 = 404,615 : x
2. Step 2: Convert to fraction form
   185,317/404,615 = 404,615/x
3. Step 3: Cross multiply
   185,317x = 404,615 × 404,615
4. Step 4: Simplify right side
   185,317x = 163,713,298,225
5. Step 5: Solve for x
   x = 163,713,298,225/185,317
6. Step 6: Final answer
   x = 883,422.99