Finding the Third Proportional to 12,408,588 and 18,626,004

Step by Step Solution

1. Step 1: Write the proportion equation
   12,408,588 : 18,626,004 = 18,626,004 : x
2. Step 2: Convert to fraction form
   12,408,588/18,626,004 = 18,626,004/x
3. Step 3: Cross multiply
   12,408,588x = 18,626,004 × 18,626,004
4. Step 4: Simplify right side
   12,408,588x = 346,928,025,008,016
5. Step 5: Solve for x
   x = 346,928,025,008,016/12,408,588
6. Step 6: Final answer
   x = 27,958,702.88