Finding the Third Proportional to 19,894,644 and 31,635,540

Step by Step Solution

1. Step 1: Write the proportion equation
   19,894,644 : 31,635,540 = 31,635,540 : x
2. Step 2: Convert to fraction form
   19,894,644/31,635,540 = 31,635,540/x
3. Step 3: Cross multiply
   19,894,644x = 31,635,540 × 31,635,540
4. Step 4: Simplify right side
   19,894,644x = 1,000,807,391,091,600
5. Step 5: Solve for x
   x = 1,000,807,391,091,600/19,894,644
6. Step 6: Final answer
   x = 50,305,368.17