Finding the Third Proportional to 111,262.50 and 240,426

Step by Step Solution

1. Step 1: Write the proportion equation
   111,262.50 : 240,426 = 240,426 : x
2. Step 2: Convert to fraction form
   111,262.50/240,426 = 240,426/x
3. Step 3: Cross multiply
   111,262.50x = 240,426 × 240,426
4. Step 4: Simplify right side
   111,262.50x = 57,804,661,476
5. Step 5: Solve for x
   x = 57,804,661,476/111,262.50
6. Step 6: Final answer
   x = 519,534.09