Finding the Third Proportional to 668,434.50 and 1,443,393

Step by Step Solution

1. Step 1: Write the proportion equation
   668,434.50 : 1,443,393 = 1,443,393 : x
2. Step 2: Convert to fraction form
   668,434.50/1,443,393 = 1,443,393/x
3. Step 3: Cross multiply
   668,434.50x = 1,443,393 × 1,443,393
4. Step 4: Simplify right side
   668,434.50x = 2,083,383,352,449
5. Step 5: Solve for x
   x = 2,083,383,352,449/668,434.50
6. Step 6: Final answer
   x = 3,116,810.03