Finding the Third Proportional to 1,393,182 and 2,125,806

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,182 : 2,125,806 = 2,125,806 : x
2. Step 2: Convert to fraction form
   1,393,182/2,125,806 = 2,125,806/x
3. Step 3: Cross multiply
   1,393,182x = 2,125,806 × 2,125,806
4. Step 4: Simplify right side
   1,393,182x = 4,519,051,149,636
5. Step 5: Solve for x
   x = 4,519,051,149,636/1,393,182
6. Step 6: Final answer
   x = 3,243,690.45