Finding the Third Proportional to 1,865,199 and 4,085,511

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,199 : 4,085,511 = 4,085,511 : x
2. Step 2: Convert to fraction form
   1,865,199/4,085,511 = 4,085,511/x
3. Step 3: Cross multiply
   1,865,199x = 4,085,511 × 4,085,511
4. Step 4: Simplify right side
   1,865,199x = 16,691,400,131,121
5. Step 5: Solve for x
   x = 16,691,400,131,121/1,865,199
6. Step 6: Final answer
   x = 8,948,857.54