Finding the Third Proportional to 355,300 and 756,632

Step by Step Solution

1. Step 1: Write the proportion equation
   355,300 : 756,632 = 756,632 : x
2. Step 2: Convert to fraction form
   355,300/756,632 = 756,632/x
3. Step 3: Cross multiply
   355,300x = 756,632 × 756,632
4. Step 4: Simplify right side
   355,300x = 572,491,983,424
5. Step 5: Solve for x
   x = 572,491,983,424/355,300
6. Step 6: Final answer
   x = 1,611,291.82