Finding the Third Proportional to 115,419 and 173,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,419 : 173,887.50 = 173,887.50 : x
2. Step 2: Convert to fraction form
   115,419/173,887.50 = 173,887.50/x
3. Step 3: Cross multiply
   115,419x = 173,887.50 × 173,887.50
4. Step 4: Simplify right side
   115,419x = 30,236,862,656.25
5. Step 5: Solve for x
   x = 30,236,862,656.25/115,419
6. Step 6: Final answer
   x = 261,974.74