Finding the Third Proportional to 85,406.50 and 181,901

Step by Step Solution

1. Step 1: Write the proportion equation
   85,406.50 : 181,901 = 181,901 : x
2. Step 2: Convert to fraction form
   85,406.50/181,901 = 181,901/x
3. Step 3: Cross multiply
   85,406.50x = 181,901 × 181,901
4. Step 4: Simplify right side
   85,406.50x = 33,087,973,801
5. Step 5: Solve for x
   x = 33,087,973,801/85,406.50
6. Step 6: Final answer
   x = 387,417.51