Finding the Third Proportional to 618,707 and 1,356,970

Step by Step Solution

1. Step 1: Write the proportion equation
   618,707 : 1,356,970 = 1,356,970 : x
2. Step 2: Convert to fraction form
   618,707/1,356,970 = 1,356,970/x
3. Step 3: Cross multiply
   618,707x = 1,356,970 × 1,356,970
4. Step 4: Simplify right side
   618,707x = 1,841,367,580,900
5. Step 5: Solve for x
   x = 1,841,367,580,900/618,707
6. Step 6: Final answer
   x = 2,976,154.43