Finding the Third Proportional to 88,009.25 and 189,285.25

Step by Step Solution

1. Step 1: Write the proportion equation
   88,009.25 : 189,285.25 = 189,285.25 : x
2. Step 2: Convert to fraction form
   88,009.25/189,285.25 = 189,285.25/x
3. Step 3: Cross multiply
   88,009.25x = 189,285.25 × 189,285.25
4. Step 4: Simplify right side
   88,009.25x = 35,828,905,867.56
5. Step 5: Solve for x
   x = 35,828,905,867.56/88,009.25
6. Step 6: Final answer
   x = 407,103.87