Finding the Third Proportional to 516,296 and 1,111,689

Step by Step Solution

1. Step 1: Write the proportion equation
   516,296 : 1,111,689 = 1,111,689 : x
2. Step 2: Convert to fraction form
   516,296/1,111,689 = 1,111,689/x
3. Step 3: Cross multiply
   516,296x = 1,111,689 × 1,111,689
4. Step 4: Simplify right side
   516,296x = 1,235,852,432,721
5. Step 5: Solve for x
   x = 1,235,852,432,721/516,296
6. Step 6: Final answer
   x = 2,393,689.73