Finding the Third Proportional to 477,199.69 and 699,761.53

Step by Step Solution

1. Step 1: Write the proportion equation
   477,199.69 : 699,761.53 = 699,761.53 : x
2. Step 2: Convert to fraction form
   477,199.69/699,761.53 = 699,761.53/x
3. Step 3: Cross multiply
   477,199.69x = 699,761.53 × 699,761.53
4. Step 4: Simplify right side
   477,199.69x = 489,666,200,617.35
5. Step 5: Solve for x
   x = 489,666,200,617.35/477,199.69
6. Step 6: Final answer
   x = 1,026,124.31