Finding the Third Proportional to 8,946,648,922 and 13,342,389,063

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946,648,922 : 13,342,389,063 = 13,342,389,063 : x
2. Step 2: Convert to fraction form
   8,946,648,922/13,342,389,063 = 13,342,389,063/x
3. Step 3: Cross multiply
   8,946,648,922x = 13,342,389,063 × 13,342,389,063
4. Step 4: Simplify right side
   8,946,648,922x = 178,019,345,908,462,026,752
5. Step 5: Solve for x
   x = 178,019,345,908,462,026,752/8,946,648,922
6. Step 6: Final answer
   x = 19,897,879,916.88