Finding the Third Proportional to 40,276 and 57,786

Step by Step Solution

1. Step 1: Write the proportion equation
   40,276 : 57,786 = 57,786 : x
2. Step 2: Convert to fraction form
   40,276/57,786 = 57,786/x
3. Step 3: Cross multiply
   40,276x = 57,786 × 57,786
4. Step 4: Simplify right side
   40,276x = 3,339,221,796
5. Step 5: Solve for x
   x = 3,339,221,796/40,276
6. Step 6: Final answer
   x = 82,908.48