Finding the Third Proportional to 56,760.75 and 81,017.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,760.75 : 81,017.72 = 81,017.72 : x
2. Step 2: Convert to fraction form
   56,760.75/81,017.72 = 81,017.72/x
3. Step 3: Cross multiply
   56,760.75x = 81,017.72 × 81,017.72
4. Step 4: Simplify right side
   56,760.75x = 6,563,870,751.45
5. Step 5: Solve for x
   x = 6,563,870,751.45/56,760.75
6. Step 6: Final answer
   x = 115,641.02