Finding the Third Proportional to 39,953.46 and 86,133.80

Step by Step Solution

1. Step 1: Write the proportion equation
   39,953.46 : 86,133.80 = 86,133.80 : x
2. Step 2: Convert to fraction form
   39,953.46/86,133.80 = 86,133.80/x
3. Step 3: Cross multiply
   39,953.46x = 86,133.80 × 86,133.80
4. Step 4: Simplify right side
   39,953.46x = 7,419,030,964.10
5. Step 5: Solve for x
   x = 7,419,030,964.10/39,953.46
6. Step 6: Final answer
   x = 185,691.82