Finding the Third Proportional to 20,878,800 and 31,942,212

Step by Step Solution

1. Step 1: Write the proportion equation
   20,878,800 : 31,942,212 = 31,942,212 : x
2. Step 2: Convert to fraction form
   20,878,800/31,942,212 = 31,942,212/x
3. Step 3: Cross multiply
   20,878,800x = 31,942,212 × 31,942,212
4. Step 4: Simplify right side
   20,878,800x = 1,020,304,907,452,944
5. Step 5: Solve for x
   x = 1,020,304,907,452,944/20,878,800
6. Step 6: Final answer
   x = 48,867,986.06