Finding the Third Proportional to 367,403 and 520,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   367,403 : 520,018.50 = 520,018.50 : x
2. Step 2: Convert to fraction form
   367,403/520,018.50 = 520,018.50/x
3. Step 3: Cross multiply
   367,403x = 520,018.50 × 520,018.50
4. Step 4: Simplify right side
   367,403x = 270,419,240,342.25
5. Step 5: Solve for x
   x = 270,419,240,342.25/367,403
6. Step 6: Final answer
   x = 736,028.94