Finding the Third Proportional to 1,137,276 and 1,706,449

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,276 : 1,706,449 = 1,706,449 : x
2. Step 2: Convert to fraction form
   1,137,276/1,706,449 = 1,706,449/x
3. Step 3: Cross multiply
   1,137,276x = 1,706,449 × 1,706,449
4. Step 4: Simplify right side
   1,137,276x = 2,911,968,189,601
5. Step 5: Solve for x
   x = 2,911,968,189,601/1,137,276
6. Step 6: Final answer
   x = 2,560,476.25