Finding the Third Proportional to 111,465 and 242,613

Step by Step Solution

1. Step 1: Write the proportion equation
   111,465 : 242,613 = 242,613 : x
2. Step 2: Convert to fraction form
   111,465/242,613 = 242,613/x
3. Step 3: Cross multiply
   111,465x = 242,613 × 242,613
4. Step 4: Simplify right side
   111,465x = 58,861,067,769
5. Step 5: Solve for x
   x = 58,861,067,769/111,465
6. Step 6: Final answer
   x = 528,067.71