Finding the Third Proportional to 187,161 and 405,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,161 : 405,850.50 = 405,850.50 : x
2. Step 2: Convert to fraction form
   187,161/405,850.50 = 405,850.50/x
3. Step 3: Cross multiply
   187,161x = 405,850.50 × 405,850.50
4. Step 4: Simplify right side
   187,161x = 164,714,628,350.25
5. Step 5: Solve for x
   x = 164,714,628,350.25/187,161
6. Step 6: Final answer
   x = 880,069.18