Finding the Third Proportional to 561,406 and 1,227,806

Step by Step Solution

1. Step 1: Write the proportion equation
   561,406 : 1,227,806 = 1,227,806 : x
2. Step 2: Convert to fraction form
   561,406/1,227,806 = 1,227,806/x
3. Step 3: Cross multiply
   561,406x = 1,227,806 × 1,227,806
4. Step 4: Simplify right side
   561,406x = 1,507,507,573,636
5. Step 5: Solve for x
   x = 1,507,507,573,636/561,406
6. Step 6: Final answer
   x = 2,685,235.95