Finding the Third Proportional to 441,632 and 662,429

Step by Step Solution

1. Step 1: Write the proportion equation
   441,632 : 662,429 = 662,429 : x
2. Step 2: Convert to fraction form
   441,632/662,429 = 662,429/x
3. Step 3: Cross multiply
   441,632x = 662,429 × 662,429
4. Step 4: Simplify right side
   441,632x = 438,812,180,041
5. Step 5: Solve for x
   x = 438,812,180,041/441,632
6. Step 6: Final answer
   x = 993,615.00