Finding the Third Proportional to 442,147.50 and 1,039,311

Step by Step Solution

1. Step 1: Write the proportion equation
   442,147.50 : 1,039,311 = 1,039,311 : x
2. Step 2: Convert to fraction form
   442,147.50/1,039,311 = 1,039,311/x
3. Step 3: Cross multiply
   442,147.50x = 1,039,311 × 1,039,311
4. Step 4: Simplify right side
   442,147.50x = 1,080,167,354,721
5. Step 5: Solve for x
   x = 1,080,167,354,721/442,147.50
6. Step 6: Final answer
   x = 2,443,002.29