Finding the Third Proportional to 2,106,698 and 3,178,637

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,698 : 3,178,637 = 3,178,637 : x
2. Step 2: Convert to fraction form
   2,106,698/3,178,637 = 3,178,637/x
3. Step 3: Cross multiply
   2,106,698x = 3,178,637 × 3,178,637
4. Step 4: Simplify right side
   2,106,698x = 10,103,733,177,769
5. Step 5: Solve for x
   x = 10,103,733,177,769/2,106,698
6. Step 6: Final answer
   x = 4,796,004.54