Finding the Third Proportional to 235,192.50 and 354,978

Step by Step Solution

1. Step 1: Write the proportion equation
   235,192.50 : 354,978 = 354,978 : x
2. Step 2: Convert to fraction form
   235,192.50/354,978 = 354,978/x
3. Step 3: Cross multiply
   235,192.50x = 354,978 × 354,978
4. Step 4: Simplify right side
   235,192.50x = 126,009,380,484
5. Step 5: Solve for x
   x = 126,009,380,484/235,192.50
6. Step 6: Final answer
   x = 535,771.25