Finding the Third Proportional to 1,418,067 and 2,128,131

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418,067 : 2,128,131 = 2,128,131 : x
2. Step 2: Convert to fraction form
   1,418,067/2,128,131 = 2,128,131/x
3. Step 3: Cross multiply
   1,418,067x = 2,128,131 × 2,128,131
4. Step 4: Simplify right side
   1,418,067x = 4,528,941,553,161
5. Step 5: Solve for x
   x = 4,528,941,553,161/1,418,067
6. Step 6: Final answer
   x = 3,193,743.00