Finding the Third Proportional to 1,200,664 and 2,135,114

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,664 : 2,135,114 = 2,135,114 : x
2. Step 2: Convert to fraction form
   1,200,664/2,135,114 = 2,135,114/x
3. Step 3: Cross multiply
   1,200,664x = 2,135,114 × 2,135,114
4. Step 4: Simplify right side
   1,200,664x = 4,558,711,792,996
5. Step 5: Solve for x
   x = 4,558,711,792,996/1,200,664
6. Step 6: Final answer
   x = 3,796,825.58