Finding the Third Proportional to 729,136 and 1,141,492

Step by Step Solution

1. Step 1: Write the proportion equation
   729,136 : 1,141,492 = 1,141,492 : x
2. Step 2: Convert to fraction form
   729,136/1,141,492 = 1,141,492/x
3. Step 3: Cross multiply
   729,136x = 1,141,492 × 1,141,492
4. Step 4: Simplify right side
   729,136x = 1,303,003,986,064
5. Step 5: Solve for x
   x = 1,303,003,986,064/729,136
6. Step 6: Final answer
   x = 1,787,052.05