Finding the Third Proportional to 124,942.50 and 260,253

Step by Step Solution

1. Step 1: Write the proportion equation
   124,942.50 : 260,253 = 260,253 : x
2. Step 2: Convert to fraction form
   124,942.50/260,253 = 260,253/x
3. Step 3: Cross multiply
   124,942.50x = 260,253 × 260,253
4. Step 4: Simplify right side
   124,942.50x = 67,731,624,009
5. Step 5: Solve for x
   x = 67,731,624,009/124,942.50
6. Step 6: Final answer
   x = 542,102.36