Finding the Third Proportional to 479,025 and 666,039

Step by Step Solution

1. Step 1: Write the proportion equation
   479,025 : 666,039 = 666,039 : x
2. Step 2: Convert to fraction form
   479,025/666,039 = 666,039/x
3. Step 3: Cross multiply
   479,025x = 666,039 × 666,039
4. Step 4: Simplify right side
   479,025x = 443,607,949,521
5. Step 5: Solve for x
   x = 443,607,949,521/479,025
6. Step 6: Final answer
   x = 926,064.30