Finding the Third Proportional to 3,802,274 and 7,870,278

Step by Step Solution

1. Step 1: Write the proportion equation
   3,802,274 : 7,870,278 = 7,870,278 : x
2. Step 2: Convert to fraction form
   3,802,274/7,870,278 = 7,870,278/x
3. Step 3: Cross multiply
   3,802,274x = 7,870,278 × 7,870,278
4. Step 4: Simplify right side
   3,802,274x = 61,941,275,797,284
5. Step 5: Solve for x
   x = 61,941,275,797,284/3,802,274
6. Step 6: Final answer
   x = 16,290,587.11