Finding the Third Proportional to 1,284,090 and 2,782,170

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,090 : 2,782,170 = 2,782,170 : x
2. Step 2: Convert to fraction form
   1,284,090/2,782,170 = 2,782,170/x
3. Step 3: Cross multiply
   1,284,090x = 2,782,170 × 2,782,170
4. Step 4: Simplify right side
   1,284,090x = 7,740,469,908,900
5. Step 5: Solve for x
   x = 7,740,469,908,900/1,284,090
6. Step 6: Final answer
   x = 6,027,980.83