Finding the Third Proportional to 851,199 and 1,868,244

Step by Step Solution

1. Step 1: Write the proportion equation
   851,199 : 1,868,244 = 1,868,244 : x
2. Step 2: Convert to fraction form
   851,199/1,868,244 = 1,868,244/x
3. Step 3: Cross multiply
   851,199x = 1,868,244 × 1,868,244
4. Step 4: Simplify right side
   851,199x = 3,490,335,643,536
5. Step 5: Solve for x
   x = 3,490,335,643,536/851,199
6. Step 6: Final answer
   x = 4,100,493.12