Finding the Third Proportional to 265,872 and 443,112

Step by Step Solution

1. Step 1: Write the proportion equation
   265,872 : 443,112 = 443,112 : x
2. Step 2: Convert to fraction form
   265,872/443,112 = 443,112/x
3. Step 3: Cross multiply
   265,872x = 443,112 × 443,112
4. Step 4: Simplify right side
   265,872x = 196,348,244,544
5. Step 5: Solve for x
   x = 196,348,244,544/265,872
6. Step 6: Final answer
   x = 738,506.67