Finding the Third Proportional to 107,404 and 231,408

Step by Step Solution

1. Step 1: Write the proportion equation
   107,404 : 231,408 = 231,408 : x
2. Step 2: Convert to fraction form
   107,404/231,408 = 231,408/x
3. Step 3: Cross multiply
   107,404x = 231,408 × 231,408
4. Step 4: Simplify right side
   107,404x = 53,549,662,464
5. Step 5: Solve for x
   x = 53,549,662,464/107,404
6. Step 6: Final answer
   x = 498,581.64