Finding the Third Proportional to 156,764 and 342,976

Step by Step Solution

1. Step 1: Write the proportion equation
   156,764 : 342,976 = 342,976 : x
2. Step 2: Convert to fraction form
   156,764/342,976 = 342,976/x
3. Step 3: Cross multiply
   156,764x = 342,976 × 342,976
4. Step 4: Simplify right side
   156,764x = 117,632,536,576
5. Step 5: Solve for x
   x = 117,632,536,576/156,764
6. Step 6: Final answer
   x = 750,379.78