Finding the Third Proportional to 1,698,990 and 3,649,852

Step by Step Solution

1. Step 1: Write the proportion equation
   1,698,990 : 3,649,852 = 3,649,852 : x
2. Step 2: Convert to fraction form
   1,698,990/3,649,852 = 3,649,852/x
3. Step 3: Cross multiply
   1,698,990x = 3,649,852 × 3,649,852
4. Step 4: Simplify right side
   1,698,990x = 13,321,419,621,904
5. Step 5: Solve for x
   x = 13,321,419,621,904/1,698,990
6. Step 6: Final answer
   x = 7,840,787.54