Finding the Third Proportional to 288,155.25 and 462,987

Step by Step Solution

1. Step 1: Write the proportion equation
   288,155.25 : 462,987 = 462,987 : x
2. Step 2: Convert to fraction form
   288,155.25/462,987 = 462,987/x
3. Step 3: Cross multiply
   288,155.25x = 462,987 × 462,987
4. Step 4: Simplify right side
   288,155.25x = 214,356,962,169
5. Step 5: Solve for x
   x = 214,356,962,169/288,155.25
6. Step 6: Final answer
   x = 743,894.00