Finding the Third Proportional to 116,665 and 249,854

Step by Step Solution

1. Step 1: Write the proportion equation
   116,665 : 249,854 = 249,854 : x
2. Step 2: Convert to fraction form
   116,665/249,854 = 249,854/x
3. Step 3: Cross multiply
   116,665x = 249,854 × 249,854
4. Step 4: Simplify right side
   116,665x = 62,427,021,316
5. Step 5: Solve for x
   x = 62,427,021,316/116,665
6. Step 6: Final answer
   x = 535,096.40