Finding the Third Proportional to 510,300 and 730,458

Step by Step Solution

1. Step 1: Write the proportion equation
   510,300 : 730,458 = 730,458 : x
2. Step 2: Convert to fraction form
   510,300/730,458 = 730,458/x
3. Step 3: Cross multiply
   510,300x = 730,458 × 730,458
4. Step 4: Simplify right side
   510,300x = 533,568,889,764
5. Step 5: Solve for x
   x = 533,568,889,764/510,300
6. Step 6: Final answer
   x = 1,045,598.45