Finding the Third Proportional to 3,489,003 and 7,392,240

Step by Step Solution

1. Step 1: Write the proportion equation
   3,489,003 : 7,392,240 = 7,392,240 : x
2. Step 2: Convert to fraction form
   3,489,003/7,392,240 = 7,392,240/x
3. Step 3: Cross multiply
   3,489,003x = 7,392,240 × 7,392,240
4. Step 4: Simplify right side
   3,489,003x = 54,645,212,217,600
5. Step 5: Solve for x
   x = 54,645,212,217,600/3,489,003
6. Step 6: Final answer
   x = 15,662,128.18