Finding the Third Proportional to 141,519 and 309,282

Step by Step Solution

1. Step 1: Write the proportion equation
   141,519 : 309,282 = 309,282 : x
2. Step 2: Convert to fraction form
   141,519/309,282 = 309,282/x
3. Step 3: Cross multiply
   141,519x = 309,282 × 309,282
4. Step 4: Simplify right side
   141,519x = 95,655,355,524
5. Step 5: Solve for x
   x = 95,655,355,524/141,519
6. Step 6: Final answer
   x = 675,918.82