Finding the Third Proportional to 3,556,980 and 7,805,284

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,980 : 7,805,284 = 7,805,284 : x
2. Step 2: Convert to fraction form
   3,556,980/7,805,284 = 7,805,284/x
3. Step 3: Cross multiply
   3,556,980x = 7,805,284 × 7,805,284
4. Step 4: Simplify right side
   3,556,980x = 60,922,458,320,656
5. Step 5: Solve for x
   x = 60,922,458,320,656/3,556,980
6. Step 6: Final answer
   x = 17,127,579.67