Finding the Third Proportional to 184,808 and 397,222

Step by Step Solution

1. Step 1: Write the proportion equation
   184,808 : 397,222 = 397,222 : x
2. Step 2: Convert to fraction form
   184,808/397,222 = 397,222/x
3. Step 3: Cross multiply
   184,808x = 397,222 × 397,222
4. Step 4: Simplify right side
   184,808x = 157,785,317,284
5. Step 5: Solve for x
   x = 157,785,317,284/184,808
6. Step 6: Final answer
   x = 853,779.69