Finding the Third Proportional to 516,170 and 1,111,430

Step by Step Solution

1. Step 1: Write the proportion equation
   516,170 : 1,111,430 = 1,111,430 : x
2. Step 2: Convert to fraction form
   516,170/1,111,430 = 1,111,430/x
3. Step 3: Cross multiply
   516,170x = 1,111,430 × 1,111,430
4. Step 4: Simplify right side
   516,170x = 1,235,276,644,900
5. Step 5: Solve for x
   x = 1,235,276,644,900/516,170
6. Step 6: Final answer
   x = 2,393,158.54