Finding the Third Proportional to 88,835.25 and 189,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,835.25 : 189,880.50 = 189,880.50 : x
2. Step 2: Convert to fraction form
   88,835.25/189,880.50 = 189,880.50/x
3. Step 3: Cross multiply
   88,835.25x = 189,880.50 × 189,880.50
4. Step 4: Simplify right side
   88,835.25x = 36,054,604,280.25
5. Step 5: Solve for x
   x = 36,054,604,280.25/88,835.25
6. Step 6: Final answer
   x = 405,859.21