Finding the Third Proportional to 668,845 and 1,010,398

Step by Step Solution

1. Step 1: Write the proportion equation
   668,845 : 1,010,398 = 1,010,398 : x
2. Step 2: Convert to fraction form
   668,845/1,010,398 = 1,010,398/x
3. Step 3: Cross multiply
   668,845x = 1,010,398 × 1,010,398
4. Step 4: Simplify right side
   668,845x = 1,020,904,118,404
5. Step 5: Solve for x
   x = 1,020,904,118,404/668,845
6. Step 6: Final answer
   x = 1,526,368.77