Finding the Third Proportional to 184,253 and 399,610

Step by Step Solution

1. Step 1: Write the proportion equation
   184,253 : 399,610 = 399,610 : x
2. Step 2: Convert to fraction form
   184,253/399,610 = 399,610/x
3. Step 3: Cross multiply
   184,253x = 399,610 × 399,610
4. Step 4: Simplify right side
   184,253x = 159,688,152,100
5. Step 5: Solve for x
   x = 159,688,152,100/184,253
6. Step 6: Final answer
   x = 866,678.71