Finding the Third Proportional to 141,823.50 and 302,418

Step by Step Solution

1. Step 1: Write the proportion equation
   141,823.50 : 302,418 = 302,418 : x
2. Step 2: Convert to fraction form
   141,823.50/302,418 = 302,418/x
3. Step 3: Cross multiply
   141,823.50x = 302,418 × 302,418
4. Step 4: Simplify right side
   141,823.50x = 91,456,646,724
5. Step 5: Solve for x
   x = 91,456,646,724/141,823.50
6. Step 6: Final answer
   x = 644,862.43