Finding the Third Proportional to 40,548.56 and 87,090.56

Step by Step Solution

1. Step 1: Write the proportion equation
   40,548.56 : 87,090.56 = 87,090.56 : x
2. Step 2: Convert to fraction form
   40,548.56/87,090.56 = 87,090.56/x
3. Step 3: Cross multiply
   40,548.56x = 87,090.56 × 87,090.56
4. Step 4: Simplify right side
   40,548.56x = 7,584,766,076.57
5. Step 5: Solve for x
   x = 7,584,766,076.57/40,548.56
6. Step 6: Final answer
   x = 187,053.88