Finding the Third Proportional to 1,662,440 and 3,579,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,440 : 3,579,148 = 3,579,148 : x
2. Step 2: Convert to fraction form
   1,662,440/3,579,148 = 3,579,148/x
3. Step 3: Cross multiply
   1,662,440x = 3,579,148 × 3,579,148
4. Step 4: Simplify right side
   1,662,440x = 12,810,300,405,904
5. Step 5: Solve for x
   x = 12,810,300,405,904/1,662,440
6. Step 6: Final answer
   x = 7,705,721.95