Finding the Third Proportional to 857,884 and 1,856,984

Step by Step Solution

1. Step 1: Write the proportion equation
   857,884 : 1,856,984 = 1,856,984 : x
2. Step 2: Convert to fraction form
   857,884/1,856,984 = 1,856,984/x
3. Step 3: Cross multiply
   857,884x = 1,856,984 × 1,856,984
4. Step 4: Simplify right side
   857,884x = 3,448,389,576,256
5. Step 5: Solve for x
   x = 3,448,389,576,256/857,884
6. Step 6: Final answer
   x = 4,019,645.52