Finding the Third Proportional to 1,422,690 and 2,134,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,690 : 2,134,086 = 2,134,086 : x
2. Step 2: Convert to fraction form
   1,422,690/2,134,086 = 2,134,086/x
3. Step 3: Cross multiply
   1,422,690x = 2,134,086 × 2,134,086
4. Step 4: Simplify right side
   1,422,690x = 4,554,323,055,396
5. Step 5: Solve for x
   x = 4,554,323,055,396/1,422,690
6. Step 6: Final answer
   x = 3,201,205.50