Finding the Third Proportional to 725,706 and 1,144,215

Step by Step Solution

1. Step 1: Write the proportion equation
   725,706 : 1,144,215 = 1,144,215 : x
2. Step 2: Convert to fraction form
   725,706/1,144,215 = 1,144,215/x
3. Step 3: Cross multiply
   725,706x = 1,144,215 × 1,144,215
4. Step 4: Simplify right side
   725,706x = 1,309,227,966,225
5. Step 5: Solve for x
   x = 1,309,227,966,225/725,706
6. Step 6: Final answer
   x = 1,804,074.88