Finding the Third Proportional to 803,382 and 1,142,136

Step by Step Solution

1. Step 1: Write the proportion equation
   803,382 : 1,142,136 = 1,142,136 : x
2. Step 2: Convert to fraction form
   803,382/1,142,136 = 1,142,136/x
3. Step 3: Cross multiply
   803,382x = 1,142,136 × 1,142,136
4. Step 4: Simplify right side
   803,382x = 1,304,474,642,496
5. Step 5: Solve for x
   x = 1,304,474,642,496/803,382
6. Step 6: Final answer
   x = 1,623,728.99