Finding the Third Proportional to 122,123.25 and 174,315.38

Step by Step Solution

1. Step 1: Write the proportion equation
   122,123.25 : 174,315.38 = 174,315.38 : x
2. Step 2: Convert to fraction form
   122,123.25/174,315.38 = 174,315.38/x
3. Step 3: Cross multiply
   122,123.25x = 174,315.38 × 174,315.38
4. Step 4: Simplify right side
   122,123.25x = 30,385,849,961.39
5. Step 5: Solve for x
   x = 30,385,849,961.39/122,123.25
6. Step 6: Final answer
   x = 248,812.98