Finding the Third Proportional to 105,382.50 and 248,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,382.50 : 248,761.50 = 248,761.50 : x
2. Step 2: Convert to fraction form
   105,382.50/248,761.50 = 248,761.50/x
3. Step 3: Cross multiply
   105,382.50x = 248,761.50 × 248,761.50
4. Step 4: Simplify right side
   105,382.50x = 61,882,283,882.25
5. Step 5: Solve for x
   x = 61,882,283,882.25/105,382.50
6. Step 6: Final answer
   x = 587,215.94