Finding the Third Proportional to 294,866 and 403,500

Step by Step Solution

1. Step 1: Write the proportion equation
   294,866 : 403,500 = 403,500 : x
2. Step 2: Convert to fraction form
   294,866/403,500 = 403,500/x
3. Step 3: Cross multiply
   294,866x = 403,500 × 403,500
4. Step 4: Simplify right side
   294,866x = 162,812,250,000
5. Step 5: Solve for x
   x = 162,812,250,000/294,866
6. Step 6: Final answer
   x = 552,156.74