Finding the Third Proportional to 50,152.50 and 66,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,152.50 : 66,919.50 = 66,919.50 : x
2. Step 2: Convert to fraction form
   50,152.50/66,919.50 = 66,919.50/x
3. Step 3: Cross multiply
   50,152.50x = 66,919.50 × 66,919.50
4. Step 4: Simplify right side
   50,152.50x = 4,478,219,480.25
5. Step 5: Solve for x
   x = 4,478,219,480.25/50,152.50
6. Step 6: Final answer
   x = 89,292.05