Finding the Third Proportional to 1,189,437 and 1,915,170

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,437 : 1,915,170 = 1,915,170 : x
2. Step 2: Convert to fraction form
   1,189,437/1,915,170 = 1,915,170/x
3. Step 3: Cross multiply
   1,189,437x = 1,915,170 × 1,915,170
4. Step 4: Simplify right side
   1,189,437x = 3,667,876,128,900
5. Step 5: Solve for x
   x = 3,667,876,128,900/1,189,437
6. Step 6: Final answer
   x = 3,083,707.78