Finding the Third Proportional to 116,667 and 249,912

Step by Step Solution

1. Step 1: Write the proportion equation
   116,667 : 249,912 = 249,912 : x
2. Step 2: Convert to fraction form
   116,667/249,912 = 249,912/x
3. Step 3: Cross multiply
   116,667x = 249,912 × 249,912
4. Step 4: Simplify right side
   116,667x = 62,456,007,744
5. Step 5: Solve for x
   x = 62,456,007,744/116,667
6. Step 6: Final answer
   x = 535,335.68