Finding the Third Proportional to 1,273,818 and 1,988,244

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273,818 : 1,988,244 = 1,988,244 : x
2. Step 2: Convert to fraction form
   1,273,818/1,988,244 = 1,988,244/x
3. Step 3: Cross multiply
   1,273,818x = 1,988,244 × 1,988,244
4. Step 4: Simplify right side
   1,273,818x = 3,953,114,203,536
5. Step 5: Solve for x
   x = 3,953,114,203,536/1,273,818
6. Step 6: Final answer
   x = 3,103,358.72