Finding the Third Proportional to 185,260 and 287,042

Step by Step Solution

1. Step 1: Write the proportion equation
   185,260 : 287,042 = 287,042 : x
2. Step 2: Convert to fraction form
   185,260/287,042 = 287,042/x
3. Step 3: Cross multiply
   185,260x = 287,042 × 287,042
4. Step 4: Simplify right side
   185,260x = 82,393,109,764
5. Step 5: Solve for x
   x = 82,393,109,764/185,260
6. Step 6: Final answer
   x = 444,743.12