Finding the Third Proportional to 2,175,284 and 4,665,388

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,284 : 4,665,388 = 4,665,388 : x
2. Step 2: Convert to fraction form
   2,175,284/4,665,388 = 4,665,388/x
3. Step 3: Cross multiply
   2,175,284x = 4,665,388 × 4,665,388
4. Step 4: Simplify right side
   2,175,284x = 21,765,845,190,544
5. Step 5: Solve for x
   x = 21,765,845,190,544/2,175,284
6. Step 6: Final answer
   x = 10,005,978.62