Finding the Third Proportional to 113,919 and 249,282.75

Step by Step Solution

1. Step 1: Write the proportion equation
   113,919 : 249,282.75 = 249,282.75 : x
2. Step 2: Convert to fraction form
   113,919/249,282.75 = 249,282.75/x
3. Step 3: Cross multiply
   113,919x = 249,282.75 × 249,282.75
4. Step 4: Simplify right side
   113,919x = 62,141,889,447.56
5. Step 5: Solve for x
   x = 62,141,889,447.56/113,919
6. Step 6: Final answer
   x = 545,491.88