Finding the Third Proportional to 499,888.25 and 714,336

Step by Step Solution

1. Step 1: Write the proportion equation
   499,888.25 : 714,336 = 714,336 : x
2. Step 2: Convert to fraction form
   499,888.25/714,336 = 714,336/x
3. Step 3: Cross multiply
   499,888.25x = 714,336 × 714,336
4. Step 4: Simplify right side
   499,888.25x = 510,275,920,896
5. Step 5: Solve for x
   x = 510,275,920,896/499,888.25
6. Step 6: Final answer
   x = 1,020,779.99