Finding the Third Proportional to 326,235 and 716,300

Step by Step Solution

1. Step 1: Write the proportion equation
   326,235 : 716,300 = 716,300 : x
2. Step 2: Convert to fraction form
   326,235/716,300 = 716,300/x
3. Step 3: Cross multiply
   326,235x = 716,300 × 716,300
4. Step 4: Simplify right side
   326,235x = 513,085,690,000
5. Step 5: Solve for x
   x = 513,085,690,000/326,235
6. Step 6: Final answer
   x = 1,572,748.75