Finding the Third Proportional to 55,736.25 and 84,669.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,736.25 : 84,669.38 = 84,669.38 : x
2. Step 2: Convert to fraction form
   55,736.25/84,669.38 = 84,669.38/x
3. Step 3: Cross multiply
   55,736.25x = 84,669.38 × 84,669.38
4. Step 4: Simplify right side
   55,736.25x = 7,168,903,062.89
5. Step 5: Solve for x
   x = 7,168,903,062.89/55,736.25
6. Step 6: Final answer
   x = 128,621.91