Finding the Third Proportional to 2,180,992 and 4,467,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,992 : 4,467,784 = 4,467,784 : x
2. Step 2: Convert to fraction form
   2,180,992/4,467,784 = 4,467,784/x
3. Step 3: Cross multiply
   2,180,992x = 4,467,784 × 4,467,784
4. Step 4: Simplify right side
   2,180,992x = 19,961,093,870,656
5. Step 5: Solve for x
   x = 19,961,093,870,656/2,180,992
6. Step 6: Final answer
   x = 9,152,300.36