Finding the Third Proportional to 113,528 and 243,367

Step by Step Solution

1. Step 1: Write the proportion equation
   113,528 : 243,367 = 243,367 : x
2. Step 2: Convert to fraction form
   113,528/243,367 = 243,367/x
3. Step 3: Cross multiply
   113,528x = 243,367 × 243,367
4. Step 4: Simplify right side
   113,528x = 59,227,496,689
5. Step 5: Solve for x
   x = 59,227,496,689/113,528
6. Step 6: Final answer
   x = 521,699.46