Finding the Third Proportional to 162,954 and 340,788

Step by Step Solution

1. Step 1: Write the proportion equation
   162,954 : 340,788 = 340,788 : x
2. Step 2: Convert to fraction form
   162,954/340,788 = 340,788/x
3. Step 3: Cross multiply
   162,954x = 340,788 × 340,788
4. Step 4: Simplify right side
   162,954x = 116,136,460,944
5. Step 5: Solve for x
   x = 116,136,460,944/162,954
6. Step 6: Final answer
   x = 712,694.75