Finding the Third Proportional to 90,747 and 136,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,747 : 136,210.50 = 136,210.50 : x
2. Step 2: Convert to fraction form
   90,747/136,210.50 = 136,210.50/x
3. Step 3: Cross multiply
   90,747x = 136,210.50 × 136,210.50
4. Step 4: Simplify right side
   90,747x = 18,553,300,310.25
5. Step 5: Solve for x
   x = 18,553,300,310.25/90,747
6. Step 6: Final answer
   x = 204,450.84