Finding the Third Proportional to 40,883 and 55,219

Step by Step Solution

1. Step 1: Write the proportion equation
   40,883 : 55,219 = 55,219 : x
2. Step 2: Convert to fraction form
   40,883/55,219 = 55,219/x
3. Step 3: Cross multiply
   40,883x = 55,219 × 55,219
4. Step 4: Simplify right side
   40,883x = 3,049,137,961
5. Step 5: Solve for x
   x = 3,049,137,961/40,883
6. Step 6: Final answer
   x = 74,582.05