Finding the Third Proportional to 617,010 and 1,375,806

Step by Step Solution

1. Step 1: Write the proportion equation
   617,010 : 1,375,806 = 1,375,806 : x
2. Step 2: Convert to fraction form
   617,010/1,375,806 = 1,375,806/x
3. Step 3: Cross multiply
   617,010x = 1,375,806 × 1,375,806
4. Step 4: Simplify right side
   617,010x = 1,892,842,149,636
5. Step 5: Solve for x
   x = 1,892,842,149,636/617,010
6. Step 6: Final answer
   x = 3,067,765.76