Finding the Third Proportional to 152,597 and 342,722

Step by Step Solution

1. Step 1: Write the proportion equation
   152,597 : 342,722 = 342,722 : x
2. Step 2: Convert to fraction form
   152,597/342,722 = 342,722/x
3. Step 3: Cross multiply
   152,597x = 342,722 × 342,722
4. Step 4: Simplify right side
   152,597x = 117,458,369,284
5. Step 5: Solve for x
   x = 117,458,369,284/152,597
6. Step 6: Final answer
   x = 769,729.22