Finding the Third Proportional to 1,646,138 and 3,593,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,646,138 : 3,593,920 = 3,593,920 : x
2. Step 2: Convert to fraction form
   1,646,138/3,593,920 = 3,593,920/x
3. Step 3: Cross multiply
   1,646,138x = 3,593,920 × 3,593,920
4. Step 4: Simplify right side
   1,646,138x = 12,916,260,966,400
5. Step 5: Solve for x
   x = 12,916,260,966,400/1,646,138
6. Step 6: Final answer
   x = 7,846,402.29