Finding the Third Proportional to 1,020,478 and 2,227,460

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,478 : 2,227,460 = 2,227,460 : x
2. Step 2: Convert to fraction form
   1,020,478/2,227,460 = 2,227,460/x
3. Step 3: Cross multiply
   1,020,478x = 2,227,460 × 2,227,460
4. Step 4: Simplify right side
   1,020,478x = 4,961,578,051,600
5. Step 5: Solve for x
   x = 4,961,578,051,600/1,020,478
6. Step 6: Final answer
   x = 4,862,013.73