Finding the Third Proportional to 1,959,759 and 4,219,855

Step by Step Solution

1. Step 1: Write the proportion equation
   1,959,759 : 4,219,855 = 4,219,855 : x
2. Step 2: Convert to fraction form
   1,959,759/4,219,855 = 4,219,855/x
3. Step 3: Cross multiply
   1,959,759x = 4,219,855 × 4,219,855
4. Step 4: Simplify right side
   1,959,759x = 17,807,176,221,025
5. Step 5: Solve for x
   x = 17,807,176,221,025/1,959,759
6. Step 6: Final answer
   x = 9,086,411.25