Finding the Third Proportional to 20,200,118 and 31,342,272

Step by Step Solution

1. Step 1: Write the proportion equation
   20,200,118 : 31,342,272 = 31,342,272 : x
2. Step 2: Convert to fraction form
   20,200,118/31,342,272 = 31,342,272/x
3. Step 3: Cross multiply
   20,200,118x = 31,342,272 × 31,342,272
4. Step 4: Simplify right side
   20,200,118x = 982,338,014,121,984
5. Step 5: Solve for x
   x = 982,338,014,121,984/20,200,118
6. Step 6: Final answer
   x = 48,630,310.68