Finding the Third Proportional to 1,247,756 and 1,863,316

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,756 : 1,863,316 = 1,863,316 : x
2. Step 2: Convert to fraction form
   1,247,756/1,863,316 = 1,863,316/x
3. Step 3: Cross multiply
   1,247,756x = 1,863,316 × 1,863,316
4. Step 4: Simplify right side
   1,247,756x = 3,471,946,515,856
5. Step 5: Solve for x
   x = 3,471,946,515,856/1,247,756
6. Step 6: Final answer
   x = 2,782,552.45