Finding the Third Proportional to 105,436 and 124,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,436 : 124,025.50 = 124,025.50 : x
2. Step 2: Convert to fraction form
   105,436/124,025.50 = 124,025.50/x
3. Step 3: Cross multiply
   105,436x = 124,025.50 × 124,025.50
4. Step 4: Simplify right side
   105,436x = 15,382,324,650.25
5. Step 5: Solve for x
   x = 15,382,324,650.25/105,436
6. Step 6: Final answer
   x = 145,892.53