Finding the Third Proportional to 162,429.75 and 249,984

Step by Step Solution

1. Step 1: Write the proportion equation
   162,429.75 : 249,984 = 249,984 : x
2. Step 2: Convert to fraction form
   162,429.75/249,984 = 249,984/x
3. Step 3: Cross multiply
   162,429.75x = 249,984 × 249,984
4. Step 4: Simplify right side
   162,429.75x = 62,492,000,256
5. Step 5: Solve for x
   x = 62,492,000,256/162,429.75
6. Step 6: Final answer
   x = 384,732.48