Finding the Third Proportional to 9,681,876 and 20,857,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681,876 : 20,857,540.50 = 20,857,540.50 : x
2. Step 2: Convert to fraction form
   9,681,876/20,857,540.50 = 20,857,540.50/x
3. Step 3: Cross multiply
   9,681,876x = 20,857,540.50 × 20,857,540.50
4. Step 4: Simplify right side
   9,681,876x = 435,036,995,709,140.25
5. Step 5: Solve for x
   x = 435,036,995,709,140.25/9,681,876
6. Step 6: Final answer
   x = 44,933,130.28