Finding the Third Proportional to 184,249.50 and 390,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   184,249.50 : 390,642.50 = 390,642.50 : x
2. Step 2: Convert to fraction form
   184,249.50/390,642.50 = 390,642.50/x
3. Step 3: Cross multiply
   184,249.50x = 390,642.50 × 390,642.50
4. Step 4: Simplify right side
   184,249.50x = 152,601,562,806.25
5. Step 5: Solve for x
   x = 152,601,562,806.25/184,249.50
6. Step 6: Final answer
   x = 828,233.25