Finding the Third Proportional to 240,516 and 519,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   240,516 : 519,574.50 = 519,574.50 : x
2. Step 2: Convert to fraction form
   240,516/519,574.50 = 519,574.50/x
3. Step 3: Cross multiply
   240,516x = 519,574.50 × 519,574.50
4. Step 4: Simplify right side
   240,516x = 269,957,661,050.25
5. Step 5: Solve for x
   x = 269,957,661,050.25/240,516
6. Step 6: Final answer
   x = 1,122,410.41