Finding the Third Proportional to 406,230.50 and 880,258

Step by Step Solution

1. Step 1: Write the proportion equation
   406,230.50 : 880,258 = 880,258 : x
2. Step 2: Convert to fraction form
   406,230.50/880,258 = 880,258/x
3. Step 3: Cross multiply
   406,230.50x = 880,258 × 880,258
4. Step 4: Simplify right side
   406,230.50x = 774,854,146,564
5. Step 5: Solve for x
   x = 774,854,146,564/406,230.50
6. Step 6: Final answer
   x = 1,907,424.84