Finding the Third Proportional to 105,648.75 and 249,145.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,648.75 : 249,145.88 = 249,145.88 : x
2. Step 2: Convert to fraction form
   105,648.75/249,145.88 = 249,145.88/x
3. Step 3: Cross multiply
   105,648.75x = 249,145.88 × 249,145.88
4. Step 4: Simplify right side
   105,648.75x = 62,073,667,029.52
5. Step 5: Solve for x
   x = 62,073,667,029.52/105,648.75
6. Step 6: Final answer
   x = 587,547.58