Finding the Third Proportional to 851,197 and 1,868,242

Step by Step Solution

1. Step 1: Write the proportion equation
   851,197 : 1,868,242 = 1,868,242 : x
2. Step 2: Convert to fraction form
   851,197/1,868,242 = 1,868,242/x
3. Step 3: Cross multiply
   851,197x = 1,868,242 × 1,868,242
4. Step 4: Simplify right side
   851,197x = 3,490,328,170,564
5. Step 5: Solve for x
   x = 3,490,328,170,564/851,197
6. Step 6: Final answer
   x = 4,100,493.98