Finding the Third Proportional to 8,431,915,404 and 13,098,192,630

Step by Step Solution

1. Step 1: Write the proportion equation
   8,431,915,404 : 13,098,192,630 = 13,098,192,630 : x
2. Step 2: Convert to fraction form
   8,431,915,404/13,098,192,630 = 13,098,192,630/x
3. Step 3: Cross multiply
   8,431,915,404x = 13,098,192,630 × 13,098,192,630
4. Step 4: Simplify right side
   8,431,915,404x = 171,562,650,172,586,328,064
5. Step 5: Solve for x
   x = 171,562,650,172,586,328,064/8,431,915,404
6. Step 6: Final answer
   x = 20,346,818,243.84