Finding the Third Proportional to 141,513 and 309,270

Step by Step Solution

1. Step 1: Write the proportion equation
   141,513 : 309,270 = 309,270 : x
2. Step 2: Convert to fraction form
   141,513/309,270 = 309,270/x
3. Step 3: Cross multiply
   141,513x = 309,270 × 309,270
4. Step 4: Simplify right side
   141,513x = 95,647,932,900
5. Step 5: Solve for x
   x = 95,647,932,900/141,513
6. Step 6: Final answer
   x = 675,895.03