Finding the Third Proportional to 122,115 and 174,969.75

Step by Step Solution

1. Step 1: Write the proportion equation
   122,115 : 174,969.75 = 174,969.75 : x
2. Step 2: Convert to fraction form
   122,115/174,969.75 = 174,969.75/x
3. Step 3: Cross multiply
   122,115x = 174,969.75 × 174,969.75
4. Step 4: Simplify right side
   122,115x = 30,614,413,415.06
5. Step 5: Solve for x
   x = 30,614,413,415.06/122,115
6. Step 6: Final answer
   x = 250,701.50