Finding the Third Proportional to 302,722.50 and 474,936

Step by Step Solution

1. Step 1: Write the proportion equation
   302,722.50 : 474,936 = 474,936 : x
2. Step 2: Convert to fraction form
   302,722.50/474,936 = 474,936/x
3. Step 3: Cross multiply
   302,722.50x = 474,936 × 474,936
4. Step 4: Simplify right side
   302,722.50x = 225,564,204,096
5. Step 5: Solve for x
   x = 225,564,204,096/302,722.50
6. Step 6: Final answer
   x = 745,118.73