Finding the Third Proportional to 2,161,756 and 4,692,728

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,756 : 4,692,728 = 4,692,728 : x
2. Step 2: Convert to fraction form
   2,161,756/4,692,728 = 4,692,728/x
3. Step 3: Cross multiply
   2,161,756x = 4,692,728 × 4,692,728
4. Step 4: Simplify right side
   2,161,756x = 22,021,696,081,984
5. Step 5: Solve for x
   x = 22,021,696,081,984/2,161,756
6. Step 6: Final answer
   x = 10,186,948.06