Finding the Third Proportional to 599,308 and 1,287,554

Step by Step Solution

1. Step 1: Write the proportion equation
   599,308 : 1,287,554 = 1,287,554 : x
2. Step 2: Convert to fraction form
   599,308/1,287,554 = 1,287,554/x
3. Step 3: Cross multiply
   599,308x = 1,287,554 × 1,287,554
4. Step 4: Simplify right side
   599,308x = 1,657,795,302,916
5. Step 5: Solve for x
   x = 1,657,795,302,916/599,308
6. Step 6: Final answer
   x = 2,766,182.50