Finding the Third Proportional to 185,112 and 404,487

Step by Step Solution

1. Step 1: Write the proportion equation
   185,112 : 404,487 = 404,487 : x
2. Step 2: Convert to fraction form
   185,112/404,487 = 404,487/x
3. Step 3: Cross multiply
   185,112x = 404,487 × 404,487
4. Step 4: Simplify right side
   185,112x = 163,609,733,169
5. Step 5: Solve for x
   x = 163,609,733,169/185,112
6. Step 6: Final answer
   x = 883,841.85