Finding the Third Proportional to 1,189,395 and 1,915,110

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,395 : 1,915,110 = 1,915,110 : x
2. Step 2: Convert to fraction form
   1,189,395/1,915,110 = 1,915,110/x
3. Step 3: Cross multiply
   1,189,395x = 1,915,110 × 1,915,110
4. Step 4: Simplify right side
   1,189,395x = 3,667,646,312,100
5. Step 5: Solve for x
   x = 3,667,646,312,100/1,189,395
6. Step 6: Final answer
   x = 3,083,623.45