Finding the Third Proportional to 139,258,466,544 and 209,035,094,936

Step by Step Solution

1. Step 1: Write the proportion equation
   139,258,466,544 : 209,035,094,936 = 209,035,094,936 : x
2. Step 2: Convert to fraction form
   139,258,466,544/209,035,094,936 = 209,035,094,936/x
3. Step 3: Cross multiply
   139,258,466,544x = 209,035,094,936 × 209,035,094,936
4. Step 4: Simplify right side
   139,258,466,544x = 43,695,670,914,902,535,438,336
5. Step 5: Solve for x
   x = 43,695,670,914,902,535,438,336/139,258,466,544
6. Step 6: Final answer
   x = 313,773,891,091.19