Finding the Third Proportional to 109,413 and 237,499

Step by Step Solution

1. Step 1: Write the proportion equation
   109,413 : 237,499 = 237,499 : x
2. Step 2: Convert to fraction form
   109,413/237,499 = 237,499/x
3. Step 3: Cross multiply
   109,413x = 237,499 × 237,499
4. Step 4: Simplify right side
   109,413x = 56,405,775,001
5. Step 5: Solve for x
   x = 56,405,775,001/109,413
6. Step 6: Final answer
   x = 515,530.83