Finding the Third Proportional to 429,900 and 911,010

Step by Step Solution

1. Step 1: Write the proportion equation
   429,900 : 911,010 = 911,010 : x
2. Step 2: Convert to fraction form
   429,900/911,010 = 911,010/x
3. Step 3: Cross multiply
   429,900x = 911,010 × 911,010
4. Step 4: Simplify right side
   429,900x = 829,939,220,100
5. Step 5: Solve for x
   x = 829,939,220,100/429,900
6. Step 6: Final answer
   x = 1,930,540.17