Finding the Third Proportional to 1,845,621 and 3,953,676

Step by Step Solution

1. Step 1: Write the proportion equation
   1,845,621 : 3,953,676 = 3,953,676 : x
2. Step 2: Convert to fraction form
   1,845,621/3,953,676 = 3,953,676/x
3. Step 3: Cross multiply
   1,845,621x = 3,953,676 × 3,953,676
4. Step 4: Simplify right side
   1,845,621x = 15,631,553,912,976
5. Step 5: Solve for x
   x = 15,631,553,912,976/1,845,621
6. Step 6: Final answer
   x = 8,469,536.22