Finding the Third Proportional to 55,374.47 and 85,905.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,374.47 : 85,905.56 = 85,905.56 : x
2. Step 2: Convert to fraction form
   55,374.47/85,905.56 = 85,905.56/x
3. Step 3: Cross multiply
   55,374.47x = 85,905.56 × 85,905.56
4. Step 4: Simplify right side
   55,374.47x = 7,379,765,668.44
5. Step 5: Solve for x
   x = 7,379,765,668.44/55,374.47
6. Step 6: Final answer
   x = 133,270.18