Finding the Third Proportional to 109,208 and 235,156

Step by Step Solution

1. Step 1: Write the proportion equation
   109,208 : 235,156 = 235,156 : x
2. Step 2: Convert to fraction form
   109,208/235,156 = 235,156/x
3. Step 3: Cross multiply
   109,208x = 235,156 × 235,156
4. Step 4: Simplify right side
   109,208x = 55,298,344,336
5. Step 5: Solve for x
   x = 55,298,344,336/109,208
6. Step 6: Final answer
   x = 506,358.00