Finding the Third Proportional to 113,242 and 249,570

Step by Step Solution

1. Step 1: Write the proportion equation
   113,242 : 249,570 = 249,570 : x
2. Step 2: Convert to fraction form
   113,242/249,570 = 249,570/x
3. Step 3: Cross multiply
   113,242x = 249,570 × 249,570
4. Step 4: Simplify right side
   113,242x = 62,285,184,900
5. Step 5: Solve for x
   x = 62,285,184,900/113,242
6. Step 6: Final answer
   x = 550,018.41