Finding the Third Proportional to 729,166 and 1,141,243

Step by Step Solution

1. Step 1: Write the proportion equation
   729,166 : 1,141,243 = 1,141,243 : x
2. Step 2: Convert to fraction form
   729,166/1,141,243 = 1,141,243/x
3. Step 3: Cross multiply
   729,166x = 1,141,243 × 1,141,243
4. Step 4: Simplify right side
   729,166x = 1,302,435,585,049
5. Step 5: Solve for x
   x = 1,302,435,585,049/729,166
6. Step 6: Final answer
   x = 1,786,199.01