Finding the Third Proportional to 53,976.38 and 84,480.47

Step by Step Solution

1. Step 1: Write the proportion equation
   53,976.38 : 84,480.47 = 84,480.47 : x
2. Step 2: Convert to fraction form
   53,976.38/84,480.47 = 84,480.47/x
3. Step 3: Cross multiply
   53,976.38x = 84,480.47 × 84,480.47
4. Step 4: Simplify right side
   53,976.38x = 7,136,949,600.22
5. Step 5: Solve for x
   x = 7,136,949,600.22/53,976.38
6. Step 6: Final answer
   x = 132,223.58