Finding the Third Proportional to 8,946,648,950 and 13,342,389,099

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946,648,950 : 13,342,389,099 = 13,342,389,099 : x
2. Step 2: Convert to fraction form
   8,946,648,950/13,342,389,099 = 13,342,389,099/x
3. Step 3: Cross multiply
   8,946,648,950x = 13,342,389,099 × 13,342,389,099
4. Step 4: Simplify right side
   8,946,648,950x = 178,019,346,869,114,044,416
5. Step 5: Solve for x
   x = 178,019,346,869,114,044,416/8,946,648,950
6. Step 6: Final answer
   x = 19,897,879,961.98