Finding the Third Proportional to 39,240 and 56,061

Step by Step Solution

1. Step 1: Write the proportion equation
   39,240 : 56,061 = 56,061 : x
2. Step 2: Convert to fraction form
   39,240/56,061 = 56,061/x
3. Step 3: Cross multiply
   39,240x = 56,061 × 56,061
4. Step 4: Simplify right side
   39,240x = 3,142,835,721
5. Step 5: Solve for x
   x = 3,142,835,721/39,240
6. Step 6: Final answer
   x = 80,092.65