Finding the Third Proportional to 1,788,108 and 3,878,970

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788,108 : 3,878,970 = 3,878,970 : x
2. Step 2: Convert to fraction form
   1,788,108/3,878,970 = 3,878,970/x
3. Step 3: Cross multiply
   1,788,108x = 3,878,970 × 3,878,970
4. Step 4: Simplify right side
   1,788,108x = 15,046,408,260,900
5. Step 5: Solve for x
   x = 15,046,408,260,900/1,788,108
6. Step 6: Final answer
   x = 8,414,708.88