Finding the Third Proportional to 407,279.50 and 894,688

Step by Step Solution

1. Step 1: Write the proportion equation
   407,279.50 : 894,688 = 894,688 : x
2. Step 2: Convert to fraction form
   407,279.50/894,688 = 894,688/x
3. Step 3: Cross multiply
   407,279.50x = 894,688 × 894,688
4. Step 4: Simplify right side
   407,279.50x = 800,466,617,344
5. Step 5: Solve for x
   x = 800,466,617,344/407,279.50
6. Step 6: Final answer
   x = 1,965,398.74