Finding the Third Proportional to 442,002 and 679,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   442,002 : 679,783.50 = 679,783.50 : x
2. Step 2: Convert to fraction form
   442,002/679,783.50 = 679,783.50/x
3. Step 3: Cross multiply
   442,002x = 679,783.50 × 679,783.50
4. Step 4: Simplify right side
   442,002x = 462,105,606,872.25
5. Step 5: Solve for x
   x = 462,105,606,872.25/442,002
6. Step 6: Final answer
   x = 1,045,483.07