Finding the Third Proportional to 491,120 and 1,057,810

Step by Step Solution

1. Step 1: Write the proportion equation
   491,120 : 1,057,810 = 1,057,810 : x
2. Step 2: Convert to fraction form
   491,120/1,057,810 = 1,057,810/x
3. Step 3: Cross multiply
   491,120x = 1,057,810 × 1,057,810
4. Step 4: Simplify right side
   491,120x = 1,118,961,996,100
5. Step 5: Solve for x
   x = 1,118,961,996,100/491,120
6. Step 6: Final answer
   x = 2,278,388.17