Finding the Third Proportional to 384,920.50 and 603,816

Step by Step Solution

1. Step 1: Write the proportion equation
   384,920.50 : 603,816 = 603,816 : x
2. Step 2: Convert to fraction form
   384,920.50/603,816 = 603,816/x
3. Step 3: Cross multiply
   384,920.50x = 603,816 × 603,816
4. Step 4: Simplify right side
   384,920.50x = 364,593,761,856
5. Step 5: Solve for x
   x = 364,593,761,856/384,920.50
6. Step 6: Final answer
   x = 947,192.37