Finding the Third Proportional to 141,838.50 and 302,451

Step by Step Solution

1. Step 1: Write the proportion equation
   141,838.50 : 302,451 = 302,451 : x
2. Step 2: Convert to fraction form
   141,838.50/302,451 = 302,451/x
3. Step 3: Cross multiply
   141,838.50x = 302,451 × 302,451
4. Step 4: Simplify right side
   141,838.50x = 91,476,607,401
5. Step 5: Solve for x
   x = 91,476,607,401/141,838.50
6. Step 6: Final answer
   x = 644,934.96