Finding the Third Proportional to 54,258.19 and 84,493.13

Step by Step Solution

1. Step 1: Write the proportion equation
   54,258.19 : 84,493.13 = 84,493.13 : x
2. Step 2: Convert to fraction form
   54,258.19/84,493.13 = 84,493.13/x
3. Step 3: Cross multiply
   54,258.19x = 84,493.13 × 84,493.13
4. Step 4: Simplify right side
   54,258.19x = 7,139,088,172.27
5. Step 5: Solve for x
   x = 7,139,088,172.27/54,258.19
6. Step 6: Final answer
   x = 131,576.24