Finding the Third Proportional to 162,667.50 and 352,488

Step by Step Solution

1. Step 1: Write the proportion equation
   162,667.50 : 352,488 = 352,488 : x
2. Step 2: Convert to fraction form
   162,667.50/352,488 = 352,488/x
3. Step 3: Cross multiply
   162,667.50x = 352,488 × 352,488
4. Step 4: Simplify right side
   162,667.50x = 124,247,790,144
5. Step 5: Solve for x
   x = 124,247,790,144/162,667.50
6. Step 6: Final answer
   x = 763,814.47