Finding the Third Proportional to 162,340 and 249,666

Step by Step Solution

1. Step 1: Write the proportion equation
   162,340 : 249,666 = 249,666 : x
2. Step 2: Convert to fraction form
   162,340/249,666 = 249,666/x
3. Step 3: Cross multiply
   162,340x = 249,666 × 249,666
4. Step 4: Simplify right side
   162,340x = 62,333,111,556
5. Step 5: Solve for x
   x = 62,333,111,556/162,340
6. Step 6: Final answer
   x = 383,966.44