Finding the Third Proportional to 1,399,927 and 2,171,819

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,927 : 2,171,819 = 2,171,819 : x
2. Step 2: Convert to fraction form
   1,399,927/2,171,819 = 2,171,819/x
3. Step 3: Cross multiply
   1,399,927x = 2,171,819 × 2,171,819
4. Step 4: Simplify right side
   1,399,927x = 4,716,797,768,761
5. Step 5: Solve for x
   x = 4,716,797,768,761/1,399,927
6. Step 6: Final answer
   x = 3,369,316.95