Finding the Third Proportional to 2,238,678 and 3,550,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,678 : 3,550,189.50 = 3,550,189.50 : x
2. Step 2: Convert to fraction form
   2,238,678/3,550,189.50 = 3,550,189.50/x
3. Step 3: Cross multiply
   2,238,678x = 3,550,189.50 × 3,550,189.50
4. Step 4: Simplify right side
   2,238,678x = 12,603,845,485,910.25
5. Step 5: Solve for x
   x = 12,603,845,485,910.25/2,238,678
6. Step 6: Final answer
   x = 5,630,039.46