Finding the Third Proportional to 122,308.50 and 187,110

Step by Step Solution

1. Step 1: Write the proportion equation
   122,308.50 : 187,110 = 187,110 : x
2. Step 2: Convert to fraction form
   122,308.50/187,110 = 187,110/x
3. Step 3: Cross multiply
   122,308.50x = 187,110 × 187,110
4. Step 4: Simplify right side
   122,308.50x = 35,010,152,100
5. Step 5: Solve for x
   x = 35,010,152,100/122,308.50
6. Step 6: Final answer
   x = 286,244.64