Finding the Third Proportional to 406,818 and 885,962.25

Step by Step Solution

1. Step 1: Write the proportion equation
   406,818 : 885,962.25 = 885,962.25 : x
2. Step 2: Convert to fraction form
   406,818/885,962.25 = 885,962.25/x
3. Step 3: Cross multiply
   406,818x = 885,962.25 × 885,962.25
4. Step 4: Simplify right side
   406,818x = 784,929,108,425.06
5. Step 5: Solve for x
   x = 784,929,108,425.06/406,818
6. Step 6: Final answer
   x = 1,929,435.54