Finding the Third Proportional to 20,886,884 and 31,930,800

Step by Step Solution

1. Step 1: Write the proportion equation
   20,886,884 : 31,930,800 = 31,930,800 : x
2. Step 2: Convert to fraction form
   20,886,884/31,930,800 = 31,930,800/x
3. Step 3: Cross multiply
   20,886,884x = 31,930,800 × 31,930,800
4. Step 4: Simplify right side
   20,886,884x = 1,019,575,988,640,000
5. Step 5: Solve for x
   x = 1,019,575,988,640,000/20,886,884
6. Step 6: Final answer
   x = 48,814,173.94