Finding the Third Proportional to 490,588 and 1,059,920

Step by Step Solution

1. Step 1: Write the proportion equation
   490,588 : 1,059,920 = 1,059,920 : x
2. Step 2: Convert to fraction form
   490,588/1,059,920 = 1,059,920/x
3. Step 3: Cross multiply
   490,588x = 1,059,920 × 1,059,920
4. Step 4: Simplify right side
   490,588x = 1,123,430,406,400
5. Step 5: Solve for x
   x = 1,123,430,406,400/490,588
6. Step 6: Final answer
   x = 2,289,967.15