Finding the Third Proportional to 77,255.25 and 99,054.75

Step by Step Solution

1. Step 1: Write the proportion equation
   77,255.25 : 99,054.75 = 99,054.75 : x
2. Step 2: Convert to fraction form
   77,255.25/99,054.75 = 99,054.75/x
3. Step 3: Cross multiply
   77,255.25x = 99,054.75 × 99,054.75
4. Step 4: Simplify right side
   77,255.25x = 9,811,843,497.56
5. Step 5: Solve for x
   x = 9,811,843,497.56/77,255.25
6. Step 6: Final answer
   x = 127,005.52