Finding the Third Proportional to 1,139,112 and 2,505,600

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,112 : 2,505,600 = 2,505,600 : x
2. Step 2: Convert to fraction form
   1,139,112/2,505,600 = 2,505,600/x
3. Step 3: Cross multiply
   1,139,112x = 2,505,600 × 2,505,600
4. Step 4: Simplify right side
   1,139,112x = 6,278,031,360,000
5. Step 5: Solve for x
   x = 6,278,031,360,000/1,139,112
6. Step 6: Final answer
   x = 5,511,338.09