Finding the Third Proportional to 367,087 and 516,947

Step by Step Solution

1. Step 1: Write the proportion equation
   367,087 : 516,947 = 516,947 : x
2. Step 2: Convert to fraction form
   367,087/516,947 = 516,947/x
3. Step 3: Cross multiply
   367,087x = 516,947 × 516,947
4. Step 4: Simplify right side
   367,087x = 267,234,200,809
5. Step 5: Solve for x
   x = 267,234,200,809/367,087
6. Step 6: Final answer
   x = 727,986.01