Finding the Third Proportional to 699,488 and 1,538,944

Step by Step Solution

1. Step 1: Write the proportion equation
   699,488 : 1,538,944 = 1,538,944 : x
2. Step 2: Convert to fraction form
   699,488/1,538,944 = 1,538,944/x
3. Step 3: Cross multiply
   699,488x = 1,538,944 × 1,538,944
4. Step 4: Simplify right side
   699,488x = 2,368,348,635,136
5. Step 5: Solve for x
   x = 2,368,348,635,136/699,488
6. Step 6: Final answer
   x = 3,385,831.69