Finding the Third Proportional to 184,144.50 and 386,865

Step by Step Solution

1. Step 1: Write the proportion equation
   184,144.50 : 386,865 = 386,865 : x
2. Step 2: Convert to fraction form
   184,144.50/386,865 = 386,865/x
3. Step 3: Cross multiply
   184,144.50x = 386,865 × 386,865
4. Step 4: Simplify right side
   184,144.50x = 149,664,528,225
5. Step 5: Solve for x
   x = 149,664,528,225/184,144.50
6. Step 6: Final answer
   x = 812,755.90