Finding the Third Proportional to 90,650.75 and 196,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,650.75 : 196,367.50 = 196,367.50 : x
2. Step 2: Convert to fraction form
   90,650.75/196,367.50 = 196,367.50/x
3. Step 3: Cross multiply
   90,650.75x = 196,367.50 × 196,367.50
4. Step 4: Simplify right side
   90,650.75x = 38,560,195,056.25
5. Step 5: Solve for x
   x = 38,560,195,056.25/90,650.75
6. Step 6: Final answer
   x = 425,370.94