Finding the Third Proportional to 39,435.19 and 86,524.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,435.19 : 86,524.88 = 86,524.88 : x
2. Step 2: Convert to fraction form
   39,435.19/86,524.88 = 86,524.88/x
3. Step 3: Cross multiply
   39,435.19x = 86,524.88 × 86,524.88
4. Step 4: Simplify right side
   39,435.19x = 7,486,553,993.77
5. Step 5: Solve for x
   x = 7,486,553,993.77/39,435.19
6. Step 6: Final answer
   x = 189,844.51