Finding the Third Proportional to 39,896 and 83,928

Step by Step Solution

1. Step 1: Write the proportion equation
   39,896 : 83,928 = 83,928 : x
2. Step 2: Convert to fraction form
   39,896/83,928 = 83,928/x
3. Step 3: Cross multiply
   39,896x = 83,928 × 83,928
4. Step 4: Simplify right side
   39,896x = 7,043,909,184
5. Step 5: Solve for x
   x = 7,043,909,184/39,896
6. Step 6: Final answer
   x = 176,556.78