Finding the Third Proportional to 699,992 and 1,499,440

Step by Step Solution

1. Step 1: Write the proportion equation
   699,992 : 1,499,440 = 1,499,440 : x
2. Step 2: Convert to fraction form
   699,992/1,499,440 = 1,499,440/x
3. Step 3: Cross multiply
   699,992x = 1,499,440 × 1,499,440
4. Step 4: Simplify right side
   699,992x = 2,248,320,313,600
5. Step 5: Solve for x
   x = 2,248,320,313,600/699,992
6. Step 6: Final answer
   x = 3,211,922.87