Finding the Third Proportional to 42,168 and 65,808

Step by Step Solution

1. Step 1: Write the proportion equation
   42,168 : 65,808 = 65,808 : x
2. Step 2: Convert to fraction form
   42,168/65,808 = 65,808/x
3. Step 3: Cross multiply
   42,168x = 65,808 × 65,808
4. Step 4: Simplify right side
   42,168x = 4,330,692,864
5. Step 5: Solve for x
   x = 4,330,692,864/42,168
6. Step 6: Final answer
   x = 102,700.93