Finding the Third Proportional to 367,061 and 516,912

Step by Step Solution

1. Step 1: Write the proportion equation
   367,061 : 516,912 = 516,912 : x
2. Step 2: Convert to fraction form
   367,061/516,912 = 516,912/x
3. Step 3: Cross multiply
   367,061x = 516,912 × 516,912
4. Step 4: Simplify right side
   367,061x = 267,198,015,744
5. Step 5: Solve for x
   x = 267,198,015,744/367,061
6. Step 6: Final answer
   x = 727,939.00