Finding the Third Proportional to 20,277,256 and 42,231,932

Step by Step Solution

1. Step 1: Write the proportion equation
   20,277,256 : 42,231,932 = 42,231,932 : x
2. Step 2: Convert to fraction form
   20,277,256/42,231,932 = 42,231,932/x
3. Step 3: Cross multiply
   20,277,256x = 42,231,932 × 42,231,932
4. Step 4: Simplify right side
   20,277,256x = 1,783,536,080,452,624
5. Step 5: Solve for x
   x = 1,783,536,080,452,624/20,277,256
6. Step 6: Final answer
   x = 87,957,467.25