Finding the Third Proportional to 108,434 and 234,968

Step by Step Solution

1. Step 1: Write the proportion equation
   108,434 : 234,968 = 234,968 : x
2. Step 2: Convert to fraction form
   108,434/234,968 = 234,968/x
3. Step 3: Cross multiply
   108,434x = 234,968 × 234,968
4. Step 4: Simplify right side
   108,434x = 55,209,961,024
5. Step 5: Solve for x
   x = 55,209,961,024/108,434
6. Step 6: Final answer
   x = 509,157.28