Finding the Third Proportional to 500,720 and 1,113,388

Step by Step Solution

1. Step 1: Write the proportion equation
   500,720 : 1,113,388 = 1,113,388 : x
2. Step 2: Convert to fraction form
   500,720/1,113,388 = 1,113,388/x
3. Step 3: Cross multiply
   500,720x = 1,113,388 × 1,113,388
4. Step 4: Simplify right side
   500,720x = 1,239,632,838,544
5. Step 5: Solve for x
   x = 1,239,632,838,544/500,720
6. Step 6: Final answer
   x = 2,475,700.67