Finding the Third Proportional to 517,420 and 1,131,030

Step by Step Solution

1. Step 1: Write the proportion equation
   517,420 : 1,131,030 = 1,131,030 : x
2. Step 2: Convert to fraction form
   517,420/1,131,030 = 1,131,030/x
3. Step 3: Cross multiply
   517,420x = 1,131,030 × 1,131,030
4. Step 4: Simplify right side
   517,420x = 1,279,228,860,900
5. Step 5: Solve for x
   x = 1,279,228,860,900/517,420
6. Step 6: Final answer
   x = 2,472,322.02