Finding the Third Proportional to 548,808 and 1,112,880

Step by Step Solution

1. Step 1: Write the proportion equation
   548,808 : 1,112,880 = 1,112,880 : x
2. Step 2: Convert to fraction form
   548,808/1,112,880 = 1,112,880/x
3. Step 3: Cross multiply
   548,808x = 1,112,880 × 1,112,880
4. Step 4: Simplify right side
   548,808x = 1,238,501,894,400
5. Step 5: Solve for x
   x = 1,238,501,894,400/548,808
6. Step 6: Final answer
   x = 2,256,712.54