Finding the Third Proportional to 279,684 and 443,088

Step by Step Solution

1. Step 1: Write the proportion equation
   279,684 : 443,088 = 443,088 : x
2. Step 2: Convert to fraction form
   279,684/443,088 = 443,088/x
3. Step 3: Cross multiply
   279,684x = 443,088 × 443,088
4. Step 4: Simplify right side
   279,684x = 196,326,975,744
5. Step 5: Solve for x
   x = 196,326,975,744/279,684
6. Step 6: Final answer
   x = 701,959.98