Finding the Third Proportional to 480,440 and 1,112,090

Step by Step Solution

1. Step 1: Write the proportion equation
   480,440 : 1,112,090 = 1,112,090 : x
2. Step 2: Convert to fraction form
   480,440/1,112,090 = 1,112,090/x
3. Step 3: Cross multiply
   480,440x = 1,112,090 × 1,112,090
4. Step 4: Simplify right side
   480,440x = 1,236,744,168,100
5. Step 5: Solve for x
   x = 1,236,744,168,100/480,440
6. Step 6: Final answer
   x = 2,574,190.68