Finding the Third Proportional to 3,488,259 and 7,398,690

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488,259 : 7,398,690 = 7,398,690 : x
2. Step 2: Convert to fraction form
   3,488,259/7,398,690 = 7,398,690/x
3. Step 3: Cross multiply
   3,488,259x = 7,398,690 × 7,398,690
4. Step 4: Simplify right side
   3,488,259x = 54,740,613,716,100
5. Step 5: Solve for x
   x = 54,740,613,716,100/3,488,259
6. Step 6: Final answer
   x = 15,692,818.03