Finding the Third Proportional to 111,272 and 231,752

Step by Step Solution

1. Step 1: Write the proportion equation
   111,272 : 231,752 = 231,752 : x
2. Step 2: Convert to fraction form
   111,272/231,752 = 231,752/x
3. Step 3: Cross multiply
   111,272x = 231,752 × 231,752
4. Step 4: Simplify right side
   111,272x = 53,708,989,504
5. Step 5: Solve for x
   x = 53,708,989,504/111,272
6. Step 6: Final answer
   x = 482,681.98