Finding the Third Proportional to 300,898.50 and 724,998

Step by Step Solution

1. Step 1: Write the proportion equation
   300,898.50 : 724,998 = 724,998 : x
2. Step 2: Convert to fraction form
   300,898.50/724,998 = 724,998/x
3. Step 3: Cross multiply
   300,898.50x = 724,998 × 724,998
4. Step 4: Simplify right side
   300,898.50x = 525,622,100,004
5. Step 5: Solve for x
   x = 525,622,100,004/300,898.50
6. Step 6: Final answer
   x = 1,746,841.88