Finding the Third Proportional to 55,328.06 and 84,009.66

Step by Step Solution

1. Step 1: Write the proportion equation
   55,328.06 : 84,009.66 = 84,009.66 : x
2. Step 2: Convert to fraction form
   55,328.06/84,009.66 = 84,009.66/x
3. Step 3: Cross multiply
   55,328.06x = 84,009.66 × 84,009.66
4. Step 4: Simplify right side
   55,328.06x = 7,057,622,343.24
5. Step 5: Solve for x
   x = 7,057,622,343.24/55,328.06
6. Step 6: Final answer
   x = 127,559.54