Finding the Third Proportional to 19,911 and 31,076.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,911 : 31,076.25 = 31,076.25 : x
2. Step 2: Convert to fraction form
   19,911/31,076.25 = 31,076.25/x
3. Step 3: Cross multiply
   19,911x = 31,076.25 × 31,076.25
4. Step 4: Simplify right side
   19,911x = 965,733,314.06
5. Step 5: Solve for x
   x = 965,733,314.06/19,911
6. Step 6: Final answer
   x = 48,502.50