Finding the Third Proportional to 1,841,280 and 3,938,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841,280 : 3,938,424 = 3,938,424 : x
2. Step 2: Convert to fraction form
   1,841,280/3,938,424 = 3,938,424/x
3. Step 3: Cross multiply
   1,841,280x = 3,938,424 × 3,938,424
4. Step 4: Simplify right side
   1,841,280x = 15,511,183,603,776
5. Step 5: Solve for x
   x = 15,511,183,603,776/1,841,280
6. Step 6: Final answer
   x = 8,424,130.82