Finding the Third Proportional to 181,860 and 392,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,860 : 392,758.50 = 392,758.50 : x
2. Step 2: Convert to fraction form
   181,860/392,758.50 = 392,758.50/x
3. Step 3: Cross multiply
   181,860x = 392,758.50 × 392,758.50
4. Step 4: Simplify right side
   181,860x = 154,259,239,322.25
5. Step 5: Solve for x
   x = 154,259,239,322.25/181,860
6. Step 6: Final answer
   x = 848,230.72