Finding the Third Proportional to 500,690 and 1,113,328

Step by Step Solution

1. Step 1: Write the proportion equation
   500,690 : 1,113,328 = 1,113,328 : x
2. Step 2: Convert to fraction form
   500,690/1,113,328 = 1,113,328/x
3. Step 3: Cross multiply
   500,690x = 1,113,328 × 1,113,328
4. Step 4: Simplify right side
   500,690x = 1,239,499,235,584
5. Step 5: Solve for x
   x = 1,239,499,235,584/500,690
6. Step 6: Final answer
   x = 2,475,582.17