Finding the Third Proportional to 111,684.38 and 240,863.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111,684.38 : 240,863.63 = 240,863.63 : x
2. Step 2: Convert to fraction form
   111,684.38/240,863.63 = 240,863.63/x
3. Step 3: Cross multiply
   111,684.38x = 240,863.63 × 240,863.63
4. Step 4: Simplify right side
   111,684.38x = 58,015,285,848.14
5. Step 5: Solve for x
   x = 58,015,285,848.14/111,684.38
6. Step 6: Final answer
   x = 519,457.50