Finding the Third Proportional to 322,987.50 and 462,348

Step by Step Solution

1. Step 1: Write the proportion equation
   322,987.50 : 462,348 = 462,348 : x
2. Step 2: Convert to fraction form
   322,987.50/462,348 = 462,348/x
3. Step 3: Cross multiply
   322,987.50x = 462,348 × 462,348
4. Step 4: Simplify right side
   322,987.50x = 213,765,673,104
5. Step 5: Solve for x
   x = 213,765,673,104/322,987.50
6. Step 6: Final answer
   x = 661,838.84