Finding the Third Proportional to 90,751.50 and 137,353.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,751.50 : 137,353.50 = 137,353.50 : x
2. Step 2: Convert to fraction form
   90,751.50/137,353.50 = 137,353.50/x
3. Step 3: Cross multiply
   90,751.50x = 137,353.50 × 137,353.50
4. Step 4: Simplify right side
   90,751.50x = 18,865,983,962.25
5. Step 5: Solve for x
   x = 18,865,983,962.25/90,751.50
6. Step 6: Final answer
   x = 207,886.19