Finding the Third Proportional to 184,248 and 390,639.38

Step by Step Solution

1. Step 1: Write the proportion equation
   184,248 : 390,639.38 = 390,639.38 : x
2. Step 2: Convert to fraction form
   184,248/390,639.38 = 390,639.38/x
3. Step 3: Cross multiply
   184,248x = 390,639.38 × 390,639.38
4. Step 4: Simplify right side
   184,248x = 152,599,121,300.39
5. Step 5: Solve for x
   x = 152,599,121,300.39/184,248
6. Step 6: Final answer
   x = 828,226.74