Finding the Third Proportional to 1,428,372 and 2,213,514

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,372 : 2,213,514 = 2,213,514 : x
2. Step 2: Convert to fraction form
   1,428,372/2,213,514 = 2,213,514/x
3. Step 3: Cross multiply
   1,428,372x = 2,213,514 × 2,213,514
4. Step 4: Simplify right side
   1,428,372x = 4,899,644,228,196
5. Step 5: Solve for x
   x = 4,899,644,228,196/1,428,372
6. Step 6: Final answer
   x = 3,430,229.82