Finding the Third Proportional to 184,288 and 388,254

Step by Step Solution

1. Step 1: Write the proportion equation
   184,288 : 388,254 = 388,254 : x
2. Step 2: Convert to fraction form
   184,288/388,254 = 388,254/x
3. Step 3: Cross multiply
   184,288x = 388,254 × 388,254
4. Step 4: Simplify right side
   184,288x = 150,741,168,516
5. Step 5: Solve for x
   x = 150,741,168,516/184,288
6. Step 6: Final answer
   x = 817,965.19