Finding the Third Proportional to 599,172 and 1,304,139

Step by Step Solution

1. Step 1: Write the proportion equation
   599,172 : 1,304,139 = 1,304,139 : x
2. Step 2: Convert to fraction form
   599,172/1,304,139 = 1,304,139/x
3. Step 3: Cross multiply
   599,172x = 1,304,139 × 1,304,139
4. Step 4: Simplify right side
   599,172x = 1,700,778,531,321
5. Step 5: Solve for x
   x = 1,700,778,531,321/599,172
6. Step 6: Final answer
   x = 2,838,548.08