Finding the Third Proportional to 21,085,161.75 and 31,852,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,085,161.75 : 31,852,399.50 = 31,852,399.50 : x
2. Step 2: Convert to fraction form
   21,085,161.75/31,852,399.50 = 31,852,399.50/x
3. Step 3: Cross multiply
   21,085,161.75x = 31,852,399.50 × 31,852,399.50
4. Step 4: Simplify right side
   21,085,161.75x = 1,014,575,353,907,600.25
5. Step 5: Solve for x
   x = 1,014,575,353,907,600.25/21,085,161.75
6. Step 6: Final answer
   x = 48,117,978.22