Finding the Third Proportional to 88,631.94 and 189,722.38

Step by Step Solution

1. Step 1: Write the proportion equation
   88,631.94 : 189,722.38 = 189,722.38 : x
2. Step 2: Convert to fraction form
   88,631.94/189,722.38 = 189,722.38/x
3. Step 3: Cross multiply
   88,631.94x = 189,722.38 × 189,722.38
4. Step 4: Simplify right side
   88,631.94x = 35,994,579,575.64
5. Step 5: Solve for x
   x = 35,994,579,575.64/88,631.94
6. Step 6: Final answer
   x = 406,112.97