Finding the Third Proportional to 39,783.66 and 86,599.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,783.66 : 86,599.13 = 86,599.13 : x
2. Step 2: Convert to fraction form
   39,783.66/86,599.13 = 86,599.13/x
3. Step 3: Cross multiply
   39,783.66x = 86,599.13 × 86,599.13
4. Step 4: Simplify right side
   39,783.66x = 7,499,408,450.77
5. Step 5: Solve for x
   x = 7,499,408,450.77/39,783.66
6. Step 6: Final answer
   x = 188,504.76