Finding the Third Proportional to 1,442,290 and 3,077,645

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442,290 : 3,077,645 = 3,077,645 : x
2. Step 2: Convert to fraction form
   1,442,290/3,077,645 = 3,077,645/x
3. Step 3: Cross multiply
   1,442,290x = 3,077,645 × 3,077,645
4. Step 4: Simplify right side
   1,442,290x = 9,471,898,746,025
5. Step 5: Solve for x
   x = 9,471,898,746,025/1,442,290
6. Step 6: Final answer
   x = 6,567,263.69