Finding the Third Proportional to 111,906 and 240,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,906 : 240,376.50 = 240,376.50 : x
2. Step 2: Convert to fraction form
   111,906/240,376.50 = 240,376.50/x
3. Step 3: Cross multiply
   111,906x = 240,376.50 × 240,376.50
4. Step 4: Simplify right side
   111,906x = 57,780,861,752.25
5. Step 5: Solve for x
   x = 57,780,861,752.25/111,906
6. Step 6: Final answer
   x = 516,333.90