Finding the Third Proportional to 1,841,292 and 3,938,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841,292 : 3,938,440 = 3,938,440 : x
2. Step 2: Convert to fraction form
   1,841,292/3,938,440 = 3,938,440/x
3. Step 3: Cross multiply
   1,841,292x = 3,938,440 × 3,938,440
4. Step 4: Simplify right side
   1,841,292x = 15,511,309,633,600
5. Step 5: Solve for x
   x = 15,511,309,633,600/1,841,292
6. Step 6: Final answer
   x = 8,424,144.37