Finding the Third Proportional to 2,104,721 and 4,546,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104,721 : 4,546,240 = 4,546,240 : x
2. Step 2: Convert to fraction form
   2,104,721/4,546,240 = 4,546,240/x
3. Step 3: Cross multiply
   2,104,721x = 4,546,240 × 4,546,240
4. Step 4: Simplify right side
   2,104,721x = 20,668,298,137,600
5. Step 5: Solve for x
   x = 20,668,298,137,600/2,104,721
6. Step 6: Final answer
   x = 9,819,970.50