Finding the Third Proportional to 319,914 and 740,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   319,914 : 740,614.50 = 740,614.50 : x
2. Step 2: Convert to fraction form
   319,914/740,614.50 = 740,614.50/x
3. Step 3: Cross multiply
   319,914x = 740,614.50 × 740,614.50
4. Step 4: Simplify right side
   319,914x = 548,509,837,610.25
5. Step 5: Solve for x
   x = 548,509,837,610.25/319,914
6. Step 6: Final answer
   x = 1,714,554.03