Finding the Third Proportional to 55,356.75 and 78,007.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,356.75 : 78,007.25 = 78,007.25 : x
2. Step 2: Convert to fraction form
   55,356.75/78,007.25 = 78,007.25/x
3. Step 3: Cross multiply
   55,356.75x = 78,007.25 × 78,007.25
4. Step 4: Simplify right side
   55,356.75x = 6,085,131,052.56
5. Step 5: Solve for x
   x = 6,085,131,052.56/55,356.75
6. Step 6: Final answer
   x = 109,925.73