Finding the Third Proportional to 516,620 and 1,112,404

Step by Step Solution

1. Step 1: Write the proportion equation
   516,620 : 1,112,404 = 1,112,404 : x
2. Step 2: Convert to fraction form
   516,620/1,112,404 = 1,112,404/x
3. Step 3: Cross multiply
   516,620x = 1,112,404 × 1,112,404
4. Step 4: Simplify right side
   516,620x = 1,237,442,659,216
5. Step 5: Solve for x
   x = 1,237,442,659,216/516,620
6. Step 6: Final answer
   x = 2,395,266.65