Finding the Third Proportional to 305,923.50 and 719,970

Step by Step Solution

1. Step 1: Write the proportion equation
   305,923.50 : 719,970 = 719,970 : x
2. Step 2: Convert to fraction form
   305,923.50/719,970 = 719,970/x
3. Step 3: Cross multiply
   305,923.50x = 719,970 × 719,970
4. Step 4: Simplify right side
   305,923.50x = 518,356,800,900
5. Step 5: Solve for x
   x = 518,356,800,900/305,923.50
6. Step 6: Final answer
   x = 1,694,400.07