Finding the Third Proportional to 535,315.50 and 1,188,729

Step by Step Solution

1. Step 1: Write the proportion equation
   535,315.50 : 1,188,729 = 1,188,729 : x
2. Step 2: Convert to fraction form
   535,315.50/1,188,729 = 1,188,729/x
3. Step 3: Cross multiply
   535,315.50x = 1,188,729 × 1,188,729
4. Step 4: Simplify right side
   535,315.50x = 1,413,076,635,441
5. Step 5: Solve for x
   x = 1,413,076,635,441/535,315.50
6. Step 6: Final answer
   x = 2,639,708.05