Finding the Third Proportional to 55,854.56 and 78,131.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,854.56 : 78,131.25 = 78,131.25 : x
2. Step 2: Convert to fraction form
   55,854.56/78,131.25 = 78,131.25/x
3. Step 3: Cross multiply
   55,854.56x = 78,131.25 × 78,131.25
4. Step 4: Simplify right side
   55,854.56x = 6,104,492,226.56
5. Step 5: Solve for x
   x = 6,104,492,226.56/55,854.56
6. Step 6: Final answer
   x = 109,292.63