Finding the Third Proportional to 54,604.25 and 86,824.38

Step by Step Solution

1. Step 1: Write the proportion equation
   54,604.25 : 86,824.38 = 86,824.38 : x
2. Step 2: Convert to fraction form
   54,604.25/86,824.38 = 86,824.38/x
3. Step 3: Cross multiply
   54,604.25x = 86,824.38 × 86,824.38
4. Step 4: Simplify right side
   54,604.25x = 7,538,472,094.14
5. Step 5: Solve for x
   x = 7,538,472,094.14/54,604.25
6. Step 6: Final answer
   x = 138,056.51