Finding the Third Proportional to 40,784 and 55,032

Step by Step Solution

1. Step 1: Write the proportion equation
   40,784 : 55,032 = 55,032 : x
2. Step 2: Convert to fraction form
   40,784/55,032 = 55,032/x
3. Step 3: Cross multiply
   40,784x = 55,032 × 55,032
4. Step 4: Simplify right side
   40,784x = 3,028,521,024
5. Step 5: Solve for x
   x = 3,028,521,024/40,784
6. Step 6: Final answer
   x = 74,257.58