Finding the Third Proportional to 8,431,401 and 18,141,580

Step by Step Solution

1. Step 1: Write the proportion equation
   8,431,401 : 18,141,580 = 18,141,580 : x
2. Step 2: Convert to fraction form
   8,431,401/18,141,580 = 18,141,580/x
3. Step 3: Cross multiply
   8,431,401x = 18,141,580 × 18,141,580
4. Step 4: Simplify right side
   8,431,401x = 329,116,924,896,400
5. Step 5: Solve for x
   x = 329,116,924,896,400/8,431,401
6. Step 6: Final answer
   x = 39,034,666.35