Finding the Third Proportional to 8,946,648,948 and 13,342,389,096

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946,648,948 : 13,342,389,096 = 13,342,389,096 : x
2. Step 2: Convert to fraction form
   8,946,648,948/13,342,389,096 = 13,342,389,096/x
3. Step 3: Cross multiply
   8,946,648,948x = 13,342,389,096 × 13,342,389,096
4. Step 4: Simplify right side
   8,946,648,948x = 178,019,346,789,059,690,496
5. Step 5: Solve for x
   x = 178,019,346,789,059,690,496/8,946,648,948
6. Step 6: Final answer
   x = 19,897,879,957.48