Finding the Third Proportional to 162,602 and 342,916

Step by Step Solution

1. Step 1: Write the proportion equation
   162,602 : 342,916 = 342,916 : x
2. Step 2: Convert to fraction form
   162,602/342,916 = 342,916/x
3. Step 3: Cross multiply
   162,602x = 342,916 × 342,916
4. Step 4: Simplify right side
   162,602x = 117,591,383,056
5. Step 5: Solve for x
   x = 117,591,383,056/162,602
6. Step 6: Final answer
   x = 723,185.34