Finding the Third Proportional to 516,161 and 1,111,412

Step by Step Solution

1. Step 1: Write the proportion equation
   516,161 : 1,111,412 = 1,111,412 : x
2. Step 2: Convert to fraction form
   516,161/1,111,412 = 1,111,412/x
3. Step 3: Cross multiply
   516,161x = 1,111,412 × 1,111,412
4. Step 4: Simplify right side
   516,161x = 1,235,236,633,744
5. Step 5: Solve for x
   x = 1,235,236,633,744/516,161
6. Step 6: Final answer
   x = 2,393,122.75