Finding the Third Proportional to 109,645.50 and 240,231

Step by Step Solution

1. Step 1: Write the proportion equation
   109,645.50 : 240,231 = 240,231 : x
2. Step 2: Convert to fraction form
   109,645.50/240,231 = 240,231/x
3. Step 3: Cross multiply
   109,645.50x = 240,231 × 240,231
4. Step 4: Simplify right side
   109,645.50x = 57,710,933,361
5. Step 5: Solve for x
   x = 57,710,933,361/109,645.50
6. Step 6: Final answer
   x = 526,341.10