Finding the Third Proportional to 186,964 and 404,072

Step by Step Solution

1. Step 1: Write the proportion equation
   186,964 : 404,072 = 404,072 : x
2. Step 2: Convert to fraction form
   186,964/404,072 = 404,072/x
3. Step 3: Cross multiply
   186,964x = 404,072 × 404,072
4. Step 4: Simplify right side
   186,964x = 163,274,181,184
5. Step 5: Solve for x
   x = 163,274,181,184/186,964
6. Step 6: Final answer
   x = 873,292.08