Finding the Third Proportional to 288,630 and 452,772.56

Step by Step Solution

1. Step 1: Write the proportion equation
   288,630 : 452,772.56 = 452,772.56 : x
2. Step 2: Convert to fraction form
   288,630/452,772.56 = 452,772.56/x
3. Step 3: Cross multiply
   288,630x = 452,772.56 × 452,772.56
4. Step 4: Simplify right side
   288,630x = 205,002,993,352.82
5. Step 5: Solve for x
   x = 205,002,993,352.82/288,630
6. Step 6: Final answer
   x = 710,262.25