Finding the Third Proportional to 402,447 and 544,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   402,447 : 544,621.50 = 544,621.50 : x
2. Step 2: Convert to fraction form
   402,447/544,621.50 = 544,621.50/x
3. Step 3: Cross multiply
   402,447x = 544,621.50 × 544,621.50
4. Step 4: Simplify right side
   402,447x = 296,612,578,262.25
5. Step 5: Solve for x
   x = 296,612,578,262.25/402,447
6. Step 6: Final answer
   x = 737,022.71