Finding the Third Proportional to 116,666 and 249,856

Step by Step Solution

1. Step 1: Write the proportion equation
   116,666 : 249,856 = 249,856 : x
2. Step 2: Convert to fraction form
   116,666/249,856 = 249,856/x
3. Step 3: Cross multiply
   116,666x = 249,856 × 249,856
4. Step 4: Simplify right side
   116,666x = 62,428,020,736
5. Step 5: Solve for x
   x = 62,428,020,736/116,666
6. Step 6: Final answer
   x = 535,100.38