Finding the Third Proportional to 20,863,924 and 31,915,806

Step by Step Solution

1. Step 1: Write the proportion equation
   20,863,924 : 31,915,806 = 31,915,806 : x
2. Step 2: Convert to fraction form
   20,863,924/31,915,806 = 31,915,806/x
3. Step 3: Cross multiply
   20,863,924x = 31,915,806 × 31,915,806
4. Step 4: Simplify right side
   20,863,924x = 1,018,618,672,629,636
5. Step 5: Solve for x
   x = 1,018,618,672,629,636/20,863,924
6. Step 6: Final answer
   x = 48,822,008.39