Finding the Third Proportional to 1,938,654 and 4,262,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938,654 : 4,262,328 = 4,262,328 : x
2. Step 2: Convert to fraction form
   1,938,654/4,262,328 = 4,262,328/x
3. Step 3: Cross multiply
   1,938,654x = 4,262,328 × 4,262,328
4. Step 4: Simplify right side
   1,938,654x = 18,167,439,979,584
5. Step 5: Solve for x
   x = 18,167,439,979,584/1,938,654
6. Step 6: Final answer
   x = 9,371,161.63