Finding the Third Proportional to 406,260 and 880,308

Step by Step Solution

1. Step 1: Write the proportion equation
   406,260 : 880,308 = 880,308 : x
2. Step 2: Convert to fraction form
   406,260/880,308 = 880,308/x
3. Step 3: Cross multiply
   406,260x = 880,308 × 880,308
4. Step 4: Simplify right side
   406,260x = 774,942,174,864
5. Step 5: Solve for x
   x = 774,942,174,864/406,260
6. Step 6: Final answer
   x = 1,907,503.01