Finding the Third Proportional to 42,016.50 and 87,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,016.50 : 87,928.50 = 87,928.50 : x
2. Step 2: Convert to fraction form
   42,016.50/87,928.50 = 87,928.50/x
3. Step 3: Cross multiply
   42,016.50x = 87,928.50 × 87,928.50
4. Step 4: Simplify right side
   42,016.50x = 7,731,421,112.25
5. Step 5: Solve for x
   x = 7,731,421,112.25/42,016.50
6. Step 6: Final answer
   x = 184,009.17