Finding the Third Proportional to 847,616 and 1,859,843

Step by Step Solution

1. Step 1: Write the proportion equation
   847,616 : 1,859,843 = 1,859,843 : x
2. Step 2: Convert to fraction form
   847,616/1,859,843 = 1,859,843/x
3. Step 3: Cross multiply
   847,616x = 1,859,843 × 1,859,843
4. Step 4: Simplify right side
   847,616x = 3,459,015,984,649
5. Step 5: Solve for x
   x = 3,459,015,984,649/847,616
6. Step 6: Final answer
   x = 4,080,876.23