Finding the Third Proportional to 705,280 and 1,074,436

Step by Step Solution

1. Step 1: Write the proportion equation
   705,280 : 1,074,436 = 1,074,436 : x
2. Step 2: Convert to fraction form
   705,280/1,074,436 = 1,074,436/x
3. Step 3: Cross multiply
   705,280x = 1,074,436 × 1,074,436
4. Step 4: Simplify right side
   705,280x = 1,154,412,718,096
5. Step 5: Solve for x
   x = 1,154,412,718,096/705,280
6. Step 6: Final answer
   x = 1,636,814.77