Finding the Third Proportional to 141,482 and 309,208

Step by Step Solution

1. Step 1: Write the proportion equation
   141,482 : 309,208 = 309,208 : x
2. Step 2: Convert to fraction form
   141,482/309,208 = 309,208/x
3. Step 3: Cross multiply
   141,482x = 309,208 × 309,208
4. Step 4: Simplify right side
   141,482x = 95,609,587,264
5. Step 5: Solve for x
   x = 95,609,587,264/141,482
6. Step 6: Final answer
   x = 675,772.09