Finding the Third Proportional to 367,355.25 and 561,978

Step by Step Solution

1. Step 1: Write the proportion equation
   367,355.25 : 561,978 = 561,978 : x
2. Step 2: Convert to fraction form
   367,355.25/561,978 = 561,978/x
3. Step 3: Cross multiply
   367,355.25x = 561,978 × 561,978
4. Step 4: Simplify right side
   367,355.25x = 315,819,272,484
5. Step 5: Solve for x
   x = 315,819,272,484/367,355.25
6. Step 6: Final answer
   x = 859,710.79