Finding the Third Proportional to 108,978.75 and 235,159.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978.75 : 235,159.88 = 235,159.88 : x
2. Step 2: Convert to fraction form
   108,978.75/235,159.88 = 235,159.88/x
3. Step 3: Cross multiply
   108,978.75x = 235,159.88 × 235,159.88
4. Step 4: Simplify right side
   108,978.75x = 55,300,166,810.02
5. Step 5: Solve for x
   x = 55,300,166,810.02/108,978.75
6. Step 6: Final answer
   x = 507,439.91