Finding the Third Proportional to 55,145.81 and 73,560.66

Step by Step Solution

1. Step 1: Write the proportion equation
   55,145.81 : 73,560.66 = 73,560.66 : x
2. Step 2: Convert to fraction form
   55,145.81/73,560.66 = 73,560.66/x
3. Step 3: Cross multiply
   55,145.81x = 73,560.66 × 73,560.66
4. Step 4: Simplify right side
   55,145.81x = 5,411,170,147.93
5. Step 5: Solve for x
   x = 5,411,170,147.93/55,145.81
6. Step 6: Final answer
   x = 98,124.77