Finding the Third Proportional to 141,788 and 309,334

Step by Step Solution

1. Step 1: Write the proportion equation
   141,788 : 309,334 = 309,334 : x
2. Step 2: Convert to fraction form
   141,788/309,334 = 309,334/x
3. Step 3: Cross multiply
   141,788x = 309,334 × 309,334
4. Step 4: Simplify right side
   141,788x = 95,687,523,556
5. Step 5: Solve for x
   x = 95,687,523,556/141,788
6. Step 6: Final answer
   x = 674,863.34