Finding the Third Proportional to 55,908.56 and 84,751.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,908.56 : 84,751.31 = 84,751.31 : x
2. Step 2: Convert to fraction form
   55,908.56/84,751.31 = 84,751.31/x
3. Step 3: Cross multiply
   55,908.56x = 84,751.31 × 84,751.31
4. Step 4: Simplify right side
   55,908.56x = 7,182,784,970.47
5. Step 5: Solve for x
   x = 7,182,784,970.47/55,908.56
6. Step 6: Final answer
   x = 128,473.79