Finding the Third Proportional to 599,323 and 1,309,089

Step by Step Solution

1. Step 1: Write the proportion equation
   599,323 : 1,309,089 = 1,309,089 : x
2. Step 2: Convert to fraction form
   599,323/1,309,089 = 1,309,089/x
3. Step 3: Cross multiply
   599,323x = 1,309,089 × 1,309,089
4. Step 4: Simplify right side
   599,323x = 1,713,714,009,921
5. Step 5: Solve for x
   x = 1,713,714,009,921/599,323
6. Step 6: Final answer
   x = 2,859,416.39