Finding the Third Proportional to 124,078.50 and 269,154

Step by Step Solution

1. Step 1: Write the proportion equation
   124,078.50 : 269,154 = 269,154 : x
2. Step 2: Convert to fraction form
   124,078.50/269,154 = 269,154/x
3. Step 3: Cross multiply
   124,078.50x = 269,154 × 269,154
4. Step 4: Simplify right side
   124,078.50x = 72,443,875,716
5. Step 5: Solve for x
   x = 72,443,875,716/124,078.50
6. Step 6: Final answer
   x = 583,855.19