Finding the Third Proportional to 714,919 and 1,488,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   714,919 : 1,488,644.50 = 1,488,644.50 : x
2. Step 2: Convert to fraction form
   714,919/1,488,644.50 = 1,488,644.50/x
3. Step 3: Cross multiply
   714,919x = 1,488,644.50 × 1,488,644.50
4. Step 4: Simplify right side
   714,919x = 2,216,062,447,380.25
5. Step 5: Solve for x
   x = 2,216,062,447,380.25/714,919
6. Step 6: Final answer
   x = 3,099,739.20