Finding the Third Proportional to 122,329 and 187,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,329 : 187,381.50 = 187,381.50 : x
2. Step 2: Convert to fraction form
   122,329/187,381.50 = 187,381.50/x
3. Step 3: Cross multiply
   122,329x = 187,381.50 × 187,381.50
4. Step 4: Simplify right side
   122,329x = 35,111,826,542.25
5. Step 5: Solve for x
   x = 35,111,826,542.25/122,329
6. Step 6: Final answer
   x = 287,027.82