Finding the Third Proportional to 1,878,867 and 4,188,032

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878,867 : 4,188,032 = 4,188,032 : x
2. Step 2: Convert to fraction form
   1,878,867/4,188,032 = 4,188,032/x
3. Step 3: Cross multiply
   1,878,867x = 4,188,032 × 4,188,032
4. Step 4: Simplify right side
   1,878,867x = 17,539,612,033,024
5. Step 5: Solve for x
   x = 17,539,612,033,024/1,878,867
6. Step 6: Final answer
   x = 9,335,206.82