Finding the Third Proportional to 1,135,640 and 1,758,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,135,640 : 1,758,144 = 1,758,144 : x
2. Step 2: Convert to fraction form
   1,135,640/1,758,144 = 1,758,144/x
3. Step 3: Cross multiply
   1,135,640x = 1,758,144 × 1,758,144
4. Step 4: Simplify right side
   1,135,640x = 3,091,070,324,736
5. Step 5: Solve for x
   x = 3,091,070,324,736/1,135,640
6. Step 6: Final answer
   x = 2,721,875.18