Finding the Third Proportional to 108,621 and 234,738

Step by Step Solution

1. Step 1: Write the proportion equation
   108,621 : 234,738 = 234,738 : x
2. Step 2: Convert to fraction form
   108,621/234,738 = 234,738/x
3. Step 3: Cross multiply
   108,621x = 234,738 × 234,738
4. Step 4: Simplify right side
   108,621x = 55,101,928,644
5. Step 5: Solve for x
   x = 55,101,928,644/108,621
6. Step 6: Final answer
   x = 507,286.15