Finding the Third Proportional to 1,200,666 and 2,135,118

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,666 : 2,135,118 = 2,135,118 : x
2. Step 2: Convert to fraction form
   1,200,666/2,135,118 = 2,135,118/x
3. Step 3: Cross multiply
   1,200,666x = 2,135,118 × 2,135,118
4. Step 4: Simplify right side
   1,200,666x = 4,558,728,873,924
5. Step 5: Solve for x
   x = 4,558,728,873,924/1,200,666
6. Step 6: Final answer
   x = 3,796,833.49