Finding the Third Proportional to 1,292,112 and 1,810,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,292,112 : 1,810,638 = 1,810,638 : x
2. Step 2: Convert to fraction form
   1,292,112/1,810,638 = 1,810,638/x
3. Step 3: Cross multiply
   1,292,112x = 1,810,638 × 1,810,638
4. Step 4: Simplify right side
   1,292,112x = 3,278,409,967,044
5. Step 5: Solve for x
   x = 3,278,409,967,044/1,292,112
6. Step 6: Final answer
   x = 2,537,249.07