Finding the Third Proportional to 1,144,378 and 1,681,531

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,378 : 1,681,531 = 1,681,531 : x
2. Step 2: Convert to fraction form
   1,144,378/1,681,531 = 1,681,531/x
3. Step 3: Cross multiply
   1,144,378x = 1,681,531 × 1,681,531
4. Step 4: Simplify right side
   1,144,378x = 2,827,546,503,961
5. Step 5: Solve for x
   x = 2,827,546,503,961/1,144,378
6. Step 6: Final answer
   x = 2,470,815.15