Finding the Third Proportional to 404,205 and 880,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,205 : 880,171.50 = 880,171.50 : x
2. Step 2: Convert to fraction form
   404,205/880,171.50 = 880,171.50/x
3. Step 3: Cross multiply
   404,205x = 880,171.50 × 880,171.50
4. Step 4: Simplify right side
   404,205x = 774,701,869,412.25
5. Step 5: Solve for x
   x = 774,701,869,412.25/404,205
6. Step 6: Final answer
   x = 1,916,606.35