Finding the Third Proportional to 544,548 and 864,871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   544,548 : 864,871.50 = 864,871.50 : x
2. Step 2: Convert to fraction form
   544,548/864,871.50 = 864,871.50/x
3. Step 3: Cross multiply
   544,548x = 864,871.50 × 864,871.50
4. Step 4: Simplify right side
   544,548x = 748,002,711,512.25
5. Step 5: Solve for x
   x = 748,002,711,512.25/544,548
6. Step 6: Final answer
   x = 1,373,621.26