Finding the Third Proportional to 1,309,664 and 2,810,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,664 : 2,810,690 = 2,810,690 : x
2. Step 2: Convert to fraction form
   1,309,664/2,810,690 = 2,810,690/x
3. Step 3: Cross multiply
   1,309,664x = 2,810,690 × 2,810,690
4. Step 4: Simplify right side
   1,309,664x = 7,899,978,276,100
5. Step 5: Solve for x
   x = 7,899,978,276,100/1,309,664
6. Step 6: Final answer
   x = 6,032,064.92