Finding the Third Proportional to 1,243,328 and 1,889,295

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,328 : 1,889,295 = 1,889,295 : x
2. Step 2: Convert to fraction form
   1,243,328/1,889,295 = 1,889,295/x
3. Step 3: Cross multiply
   1,243,328x = 1,889,295 × 1,889,295
4. Step 4: Simplify right side
   1,243,328x = 3,569,435,597,025
5. Step 5: Solve for x
   x = 3,569,435,597,025/1,243,328
6. Step 6: Final answer
   x = 2,870,872.04