Finding the Third Proportional to 123,160 and 263,168

Step by Step Solution

1. Step 1: Write the proportion equation
   123,160 : 263,168 = 263,168 : x
2. Step 2: Convert to fraction form
   123,160/263,168 = 263,168/x
3. Step 3: Cross multiply
   123,160x = 263,168 × 263,168
4. Step 4: Simplify right side
   123,160x = 69,257,396,224
5. Step 5: Solve for x
   x = 69,257,396,224/123,160
6. Step 6: Final answer
   x = 562,336.77