Finding the Third Proportional to 48,931.50 and 107,979

Step by Step Solution

1. Step 1: Write the proportion equation
   48,931.50 : 107,979 = 107,979 : x
2. Step 2: Convert to fraction form
   48,931.50/107,979 = 107,979/x
3. Step 3: Cross multiply
   48,931.50x = 107,979 × 107,979
4. Step 4: Simplify right side
   48,931.50x = 11,659,464,441
5. Step 5: Solve for x
   x = 11,659,464,441/48,931.50
6. Step 6: Final answer
   x = 238,281.36