Finding the Third Proportional to 36,313.31 and 53,393.55

Step by Step Solution

1. Step 1: Write the proportion equation
   36,313.31 : 53,393.55 = 53,393.55 : x
2. Step 2: Convert to fraction form
   36,313.31/53,393.55 = 53,393.55/x
3. Step 3: Cross multiply
   36,313.31x = 53,393.55 × 53,393.55
4. Step 4: Simplify right side
   36,313.31x = 2,850,871,682.17
5. Step 5: Solve for x
   x = 2,850,871,682.17/36,313.31
6. Step 6: Final answer
   x = 78,507.62