Finding the Third Proportional to 1,427,586 and 3,090,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,586 : 3,090,396 = 3,090,396 : x
2. Step 2: Convert to fraction form
   1,427,586/3,090,396 = 3,090,396/x
3. Step 3: Cross multiply
   1,427,586x = 3,090,396 × 3,090,396
4. Step 4: Simplify right side
   1,427,586x = 9,550,547,436,816
5. Step 5: Solve for x
   x = 9,550,547,436,816/1,427,586
6. Step 6: Final answer
   x = 6,689,997.97