Finding the Third Proportional to 109,140 and 234,227

Step by Step Solution

1. Step 1: Write the proportion equation
   109,140 : 234,227 = 234,227 : x
2. Step 2: Convert to fraction form
   109,140/234,227 = 234,227/x
3. Step 3: Cross multiply
   109,140x = 234,227 × 234,227
4. Step 4: Simplify right side
   109,140x = 54,862,287,529
5. Step 5: Solve for x
   x = 54,862,287,529/109,140
6. Step 6: Final answer
   x = 502,678.10