Finding the Third Proportional to 187,116 and 404,184

Step by Step Solution

1. Step 1: Write the proportion equation
   187,116 : 404,184 = 404,184 : x
2. Step 2: Convert to fraction form
   187,116/404,184 = 404,184/x
3. Step 3: Cross multiply
   187,116x = 404,184 × 404,184
4. Step 4: Simplify right side
   187,116x = 163,364,705,856
5. Step 5: Solve for x
   x = 163,364,705,856/187,116
6. Step 6: Final answer
   x = 873,066.47