Finding the Third Proportional to 40,203 and 55,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,203 : 55,552.50 = 55,552.50 : x
2. Step 2: Convert to fraction form
   40,203/55,552.50 = 55,552.50/x
3. Step 3: Cross multiply
   40,203x = 55,552.50 × 55,552.50
4. Step 4: Simplify right side
   40,203x = 3,086,080,256.25
5. Step 5: Solve for x
   x = 3,086,080,256.25/40,203
6. Step 6: Final answer
   x = 76,762.44