Finding the Third Proportional to 109,160 and 234,920

Step by Step Solution

1. Step 1: Write the proportion equation
   109,160 : 234,920 = 234,920 : x
2. Step 2: Convert to fraction form
   109,160/234,920 = 234,920/x
3. Step 3: Cross multiply
   109,160x = 234,920 × 234,920
4. Step 4: Simplify right side
   109,160x = 55,187,406,400
5. Step 5: Solve for x
   x = 55,187,406,400/109,160
6. Step 6: Final answer
   x = 505,564.37