Finding the Third Proportional to 622,090 and 1,364,707

Step by Step Solution

1. Step 1: Write the proportion equation
   622,090 : 1,364,707 = 1,364,707 : x
2. Step 2: Convert to fraction form
   622,090/1,364,707 = 1,364,707/x
3. Step 3: Cross multiply
   622,090x = 1,364,707 × 1,364,707
4. Step 4: Simplify right side
   622,090x = 1,862,425,195,849
5. Step 5: Solve for x
   x = 1,862,425,195,849/622,090
6. Step 6: Final answer
   x = 2,993,819.54