Finding the Third Proportional to 1,442,280 and 3,077,600

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442,280 : 3,077,600 = 3,077,600 : x
2. Step 2: Convert to fraction form
   1,442,280/3,077,600 = 3,077,600/x
3. Step 3: Cross multiply
   1,442,280x = 3,077,600 × 3,077,600
4. Step 4: Simplify right side
   1,442,280x = 9,471,621,760,000
5. Step 5: Solve for x
   x = 9,471,621,760,000/1,442,280
6. Step 6: Final answer
   x = 6,567,117.18