Finding the Third Proportional to 9,861,369,500 and 21,119,067,274

Step by Step Solution

1. Step 1: Write the proportion equation
   9,861,369,500 : 21,119,067,274 = 21,119,067,274 : x
2. Step 2: Convert to fraction form
   9,861,369,500/21,119,067,274 = 21,119,067,274/x
3. Step 3: Cross multiply
   9,861,369,500x = 21,119,067,274 × 21,119,067,274
4. Step 4: Simplify right side
   9,861,369,500x = 446,015,002,523,737,784,320
5. Step 5: Solve for x
   x = 446,015,002,523,737,784,320/9,861,369,500
6. Step 6: Final answer
   x = 45,228,505,282.53