Finding the Third Proportional to 124,578 and 265,765.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,578 : 265,765.50 = 265,765.50 : x
2. Step 2: Convert to fraction form
   124,578/265,765.50 = 265,765.50/x
3. Step 3: Cross multiply
   124,578x = 265,765.50 × 265,765.50
4. Step 4: Simplify right side
   124,578x = 70,631,300,990.25
5. Step 5: Solve for x
   x = 70,631,300,990.25/124,578
6. Step 6: Final answer
   x = 566,964.48