Finding the Third Proportional to 302,676 and 424,191.75

Step by Step Solution

1. Step 1: Write the proportion equation
   302,676 : 424,191.75 = 424,191.75 : x
2. Step 2: Convert to fraction form
   302,676/424,191.75 = 424,191.75/x
3. Step 3: Cross multiply
   302,676x = 424,191.75 × 424,191.75
4. Step 4: Simplify right side
   302,676x = 179,938,640,768.06
5. Step 5: Solve for x
   x = 179,938,640,768.06/302,676
6. Step 6: Final answer
   x = 594,492.60