Finding the Third Proportional to 39,828.56 and 86,903.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,828.56 : 86,903.25 = 86,903.25 : x
2. Step 2: Convert to fraction form
   39,828.56/86,903.25 = 86,903.25/x
3. Step 3: Cross multiply
   39,828.56x = 86,903.25 × 86,903.25
4. Step 4: Simplify right side
   39,828.56x = 7,552,174,860.56
5. Step 5: Solve for x
   x = 7,552,174,860.56/39,828.56
6. Step 6: Final answer
   x = 189,617.06