Finding the Third Proportional to 20,863,914 and 31,915,791

Step by Step Solution

1. Step 1: Write the proportion equation
   20,863,914 : 31,915,791 = 31,915,791 : x
2. Step 2: Convert to fraction form
   20,863,914/31,915,791 = 31,915,791/x
3. Step 3: Cross multiply
   20,863,914x = 31,915,791 × 31,915,791
4. Step 4: Simplify right side
   20,863,914x = 1,018,617,715,155,681
5. Step 5: Solve for x
   x = 1,018,617,715,155,681/20,863,914
6. Step 6: Final answer
   x = 48,821,985.90