Finding the Third Proportional to 1,210,500 and 1,758,726

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,500 : 1,758,726 = 1,758,726 : x
2. Step 2: Convert to fraction form
   1,210,500/1,758,726 = 1,758,726/x
3. Step 3: Cross multiply
   1,210,500x = 1,758,726 × 1,758,726
4. Step 4: Simplify right side
   1,210,500x = 3,093,117,143,076
5. Step 5: Solve for x
   x = 3,093,117,143,076/1,210,500
6. Step 6: Final answer
   x = 2,555,239.28