Finding the Third Proportional to 406,231 and 880,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   406,231 : 880,258.50 = 880,258.50 : x
2. Step 2: Convert to fraction form
   406,231/880,258.50 = 880,258.50/x
3. Step 3: Cross multiply
   406,231x = 880,258.50 × 880,258.50
4. Step 4: Simplify right side
   406,231x = 774,855,026,822.25
5. Step 5: Solve for x
   x = 774,855,026,822.25/406,231
6. Step 6: Final answer
   x = 1,907,424.66