Finding the Third Proportional to 2,402,180 and 5,219,720

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402,180 : 5,219,720 = 5,219,720 : x
2. Step 2: Convert to fraction form
   2,402,180/5,219,720 = 5,219,720/x
3. Step 3: Cross multiply
   2,402,180x = 5,219,720 × 5,219,720
4. Step 4: Simplify right side
   2,402,180x = 27,245,476,878,400
5. Step 5: Solve for x
   x = 27,245,476,878,400/2,402,180
6. Step 6: Final answer
   x = 11,341,979.73