Finding the Third Proportional to 20,277,258 and 42,231,936

Step by Step Solution

1. Step 1: Write the proportion equation
   20,277,258 : 42,231,936 = 42,231,936 : x
2. Step 2: Convert to fraction form
   20,277,258/42,231,936 = 42,231,936/x
3. Step 3: Cross multiply
   20,277,258x = 42,231,936 × 42,231,936
4. Step 4: Simplify right side
   20,277,258x = 1,783,536,418,308,096
5. Step 5: Solve for x
   x = 1,783,536,418,308,096/20,277,258
6. Step 6: Final answer
   x = 87,957,475.23