Finding the Third Proportional to 54,261.56 and 83,453.63

Step by Step Solution

1. Step 1: Write the proportion equation
   54,261.56 : 83,453.63 = 83,453.63 : x
2. Step 2: Convert to fraction form
   54,261.56/83,453.63 = 83,453.63/x
3. Step 3: Cross multiply
   54,261.56x = 83,453.63 × 83,453.63
4. Step 4: Simplify right side
   54,261.56x = 6,964,507,525.64
5. Step 5: Solve for x
   x = 6,964,507,525.64/54,261.56
6. Step 6: Final answer
   x = 128,350.66