Finding the Third Proportional to 122,247.50 and 187,003

Step by Step Solution

1. Step 1: Write the proportion equation
   122,247.50 : 187,003 = 187,003 : x
2. Step 2: Convert to fraction form
   122,247.50/187,003 = 187,003/x
3. Step 3: Cross multiply
   122,247.50x = 187,003 × 187,003
4. Step 4: Simplify right side
   122,247.50x = 34,970,122,009
5. Step 5: Solve for x
   x = 34,970,122,009/122,247.50
6. Step 6: Final answer
   x = 286,060.02