Finding the Third Proportional to 54,310.13 and 75,872.63

Step by Step Solution

1. Step 1: Write the proportion equation
   54,310.13 : 75,872.63 = 75,872.63 : x
2. Step 2: Convert to fraction form
   54,310.13/75,872.63 = 75,872.63/x
3. Step 3: Cross multiply
   54,310.13x = 75,872.63 × 75,872.63
4. Step 4: Simplify right side
   54,310.13x = 5,756,655,224.39
5. Step 5: Solve for x
   x = 5,756,655,224.39/54,310.13
6. Step 6: Final answer
   x = 105,995.99