Finding the Third Proportional to 184,369.50 and 390,339

Step by Step Solution

1. Step 1: Write the proportion equation
   184,369.50 : 390,339 = 390,339 : x
2. Step 2: Convert to fraction form
   184,369.50/390,339 = 390,339/x
3. Step 3: Cross multiply
   184,369.50x = 390,339 × 390,339
4. Step 4: Simplify right side
   184,369.50x = 152,364,534,921
5. Step 5: Solve for x
   x = 152,364,534,921/184,369.50
6. Step 6: Final answer
   x = 826,408.57