Finding the Third Proportional to 122,608.25 and 187,476.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,608.25 : 187,476.50 = 187,476.50 : x
2. Step 2: Convert to fraction form
   122,608.25/187,476.50 = 187,476.50/x
3. Step 3: Cross multiply
   122,608.25x = 187,476.50 × 187,476.50
4. Step 4: Simplify right side
   122,608.25x = 35,147,438,052.25
5. Step 5: Solve for x
   x = 35,147,438,052.25/122,608.25
6. Step 6: Final answer
   x = 286,664.54