Finding the Third Proportional to 113,886 and 249,223

Step by Step Solution

1. Step 1: Write the proportion equation
   113,886 : 249,223 = 249,223 : x
2. Step 2: Convert to fraction form
   113,886/249,223 = 249,223/x
3. Step 3: Cross multiply
   113,886x = 249,223 × 249,223
4. Step 4: Simplify right side
   113,886x = 62,112,103,729
5. Step 5: Solve for x
   x = 62,112,103,729/113,886
6. Step 6: Final answer
   x = 545,388.40