Finding the Third Proportional to 443,293.50 and 918,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,293.50 : 918,118.50 = 918,118.50 : x
2. Step 2: Convert to fraction form
   443,293.50/918,118.50 = 918,118.50/x
3. Step 3: Cross multiply
   443,293.50x = 918,118.50 × 918,118.50
4. Step 4: Simplify right side
   443,293.50x = 842,941,580,042.25
5. Step 5: Solve for x
   x = 842,941,580,042.25/443,293.50
6. Step 6: Final answer
   x = 1,901,542.84