Finding the Third Proportional to 1,938,292 and 4,261,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938,292 : 4,261,638 = 4,261,638 : x
2. Step 2: Convert to fraction form
   1,938,292/4,261,638 = 4,261,638/x
3. Step 3: Cross multiply
   1,938,292x = 4,261,638 × 4,261,638
4. Step 4: Simplify right side
   1,938,292x = 18,161,558,443,044
5. Step 5: Solve for x
   x = 18,161,558,443,044/1,938,292
6. Step 6: Final answer
   x = 9,369,877.42