Finding the Third Proportional to 164,116 and 234,690

Step by Step Solution

1. Step 1: Write the proportion equation
   164,116 : 234,690 = 234,690 : x
2. Step 2: Convert to fraction form
   164,116/234,690 = 234,690/x
3. Step 3: Cross multiply
   164,116x = 234,690 × 234,690
4. Step 4: Simplify right side
   164,116x = 55,079,396,100
5. Step 5: Solve for x
   x = 55,079,396,100/164,116
6. Step 6: Final answer
   x = 335,612.59