Finding the Third Proportional to 8,242,401 and 12,608,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,242,401 : 12,608,383.50 = 12,608,383.50 : x
2. Step 2: Convert to fraction form
   8,242,401/12,608,383.50 = 12,608,383.50/x
3. Step 3: Cross multiply
   8,242,401x = 12,608,383.50 × 12,608,383.50
4. Step 4: Simplify right side
   8,242,401x = 158,971,334,483,072.25
5. Step 5: Solve for x
   x = 158,971,334,483,072.25/8,242,401
6. Step 6: Final answer
   x = 19,287,017.76