Finding the Third Proportional to 152,682 and 342,948

Step by Step Solution

1. Step 1: Write the proportion equation
   152,682 : 342,948 = 342,948 : x
2. Step 2: Convert to fraction form
   152,682/342,948 = 342,948/x
3. Step 3: Cross multiply
   152,682x = 342,948 × 342,948
4. Step 4: Simplify right side
   152,682x = 117,613,330,704
5. Step 5: Solve for x
   x = 117,613,330,704/152,682
6. Step 6: Final answer
   x = 770,315.63