Finding the Third Proportional to 1,891,616 and 4,115,008

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,616 : 4,115,008 = 4,115,008 : x
2. Step 2: Convert to fraction form
   1,891,616/4,115,008 = 4,115,008/x
3. Step 3: Cross multiply
   1,891,616x = 4,115,008 × 4,115,008
4. Step 4: Simplify right side
   1,891,616x = 16,933,290,840,064
5. Step 5: Solve for x
   x = 16,933,290,840,064/1,891,616
6. Step 6: Final answer
   x = 8,951,759.15