Finding the Third Proportional to 738,286 and 1,156,642

Step by Step Solution

1. Step 1: Write the proportion equation
   738,286 : 1,156,642 = 1,156,642 : x
2. Step 2: Convert to fraction form
   738,286/1,156,642 = 1,156,642/x
3. Step 3: Cross multiply
   738,286x = 1,156,642 × 1,156,642
4. Step 4: Simplify right side
   738,286x = 1,337,820,716,164
5. Step 5: Solve for x
   x = 1,337,820,716,164/738,286
6. Step 6: Final answer
   x = 1,812,062.96