Finding the Third Proportional to 1,407,776 and 2,266,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,776 : 2,266,608 = 2,266,608 : x
2. Step 2: Convert to fraction form
   1,407,776/2,266,608 = 2,266,608/x
3. Step 3: Cross multiply
   1,407,776x = 2,266,608 × 2,266,608
4. Step 4: Simplify right side
   1,407,776x = 5,137,511,825,664
5. Step 5: Solve for x
   x = 5,137,511,825,664/1,407,776
6. Step 6: Final answer
   x = 3,649,381.60