Finding the Third Proportional to 140,732 and 287,194

Step by Step Solution

1. Step 1: Write the proportion equation
   140,732 : 287,194 = 287,194 : x
2. Step 2: Convert to fraction form
   140,732/287,194 = 287,194/x
3. Step 3: Cross multiply
   140,732x = 287,194 × 287,194
4. Step 4: Simplify right side
   140,732x = 82,480,393,636
5. Step 5: Solve for x
   x = 82,480,393,636/140,732
6. Step 6: Final answer
   x = 586,081.30