Finding the Third Proportional to 279,842 and 443,832

Step by Step Solution

1. Step 1: Write the proportion equation
   279,842 : 443,832 = 443,832 : x
2. Step 2: Convert to fraction form
   279,842/443,832 = 443,832/x
3. Step 3: Cross multiply
   279,842x = 443,832 × 443,832
4. Step 4: Simplify right side
   279,842x = 196,986,844,224
5. Step 5: Solve for x
   x = 196,986,844,224/279,842
6. Step 6: Final answer
   x = 703,921.66