Finding the Third Proportional to 721,096 and 1,131,136

Step by Step Solution

1. Step 1: Write the proportion equation
   721,096 : 1,131,136 = 1,131,136 : x
2. Step 2: Convert to fraction form
   721,096/1,131,136 = 1,131,136/x
3. Step 3: Cross multiply
   721,096x = 1,131,136 × 1,131,136
4. Step 4: Simplify right side
   721,096x = 1,279,468,650,496
5. Step 5: Solve for x
   x = 1,279,468,650,496/721,096
6. Step 6: Final answer
   x = 1,774,338.85