Finding the Third Proportional to 1,017,760 and 1,345,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,760 : 1,345,680 = 1,345,680 : x
2. Step 2: Convert to fraction form
   1,017,760/1,345,680 = 1,345,680/x
3. Step 3: Cross multiply
   1,017,760x = 1,345,680 × 1,345,680
4. Step 4: Simplify right side
   1,017,760x = 1,810,854,662,400
5. Step 5: Solve for x
   x = 1,810,854,662,400/1,017,760
6. Step 6: Final answer
   x = 1,779,255.09