Finding the Third Proportional to 1,182,147 and 1,872,189

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,147 : 1,872,189 = 1,872,189 : x
2. Step 2: Convert to fraction form
   1,182,147/1,872,189 = 1,872,189/x
3. Step 3: Cross multiply
   1,182,147x = 1,872,189 × 1,872,189
4. Step 4: Simplify right side
   1,182,147x = 3,505,091,651,721
5. Step 5: Solve for x
   x = 3,505,091,651,721/1,182,147
6. Step 6: Final answer
   x = 2,965,021.82