Finding the Third Proportional to 1,427,583 and 3,090,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,583 : 3,090,390 = 3,090,390 : x
2. Step 2: Convert to fraction form
   1,427,583/3,090,390 = 3,090,390/x
3. Step 3: Cross multiply
   1,427,583x = 3,090,390 × 3,090,390
4. Step 4: Simplify right side
   1,427,583x = 9,550,510,352,100
5. Step 5: Solve for x
   x = 9,550,510,352,100/1,427,583
6. Step 6: Final answer
   x = 6,689,986.05