Finding the Third Proportional to 1,189,944 and 1,812,807

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,944 : 1,812,807 = 1,812,807 : x
2. Step 2: Convert to fraction form
   1,189,944/1,812,807 = 1,812,807/x
3. Step 3: Cross multiply
   1,189,944x = 1,812,807 × 1,812,807
4. Step 4: Simplify right side
   1,189,944x = 3,286,269,219,249
5. Step 5: Solve for x
   x = 3,286,269,219,249/1,189,944
6. Step 6: Final answer
   x = 2,761,700.73