Finding the Third Proportional to 480,680 and 1,112,744

Step by Step Solution

1. Step 1: Write the proportion equation
   480,680 : 1,112,744 = 1,112,744 : x
2. Step 2: Convert to fraction form
   480,680/1,112,744 = 1,112,744/x
3. Step 3: Cross multiply
   480,680x = 1,112,744 × 1,112,744
4. Step 4: Simplify right side
   480,680x = 1,238,199,209,536
5. Step 5: Solve for x
   x = 1,238,199,209,536/480,680
6. Step 6: Final answer
   x = 2,575,932.45