Finding the Third Proportional to 406,426 and 885,260

Step by Step Solution

1. Step 1: Write the proportion equation
   406,426 : 885,260 = 885,260 : x
2. Step 2: Convert to fraction form
   406,426/885,260 = 885,260/x
3. Step 3: Cross multiply
   406,426x = 885,260 × 885,260
4. Step 4: Simplify right side
   406,426x = 783,685,267,600
5. Step 5: Solve for x
   x = 783,685,267,600/406,426
6. Step 6: Final answer
   x = 1,928,236.06