Finding the Third Proportional to 1,841,290 and 3,938,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841,290 : 3,938,436 = 3,938,436 : x
2. Step 2: Convert to fraction form
   1,841,290/3,938,436 = 3,938,436/x
3. Step 3: Cross multiply
   1,841,290x = 3,938,436 × 3,938,436
4. Step 4: Simplify right side
   1,841,290x = 15,511,278,126,096
5. Step 5: Solve for x
   x = 15,511,278,126,096/1,841,290
6. Step 6: Final answer
   x = 8,424,136.41