Finding the Third Proportional to 684,504 and 1,599,300

Step by Step Solution

1. Step 1: Write the proportion equation
   684,504 : 1,599,300 = 1,599,300 : x
2. Step 2: Convert to fraction form
   684,504/1,599,300 = 1,599,300/x
3. Step 3: Cross multiply
   684,504x = 1,599,300 × 1,599,300
4. Step 4: Simplify right side
   684,504x = 2,557,760,490,000
5. Step 5: Solve for x
   x = 2,557,760,490,000/684,504
6. Step 6: Final answer
   x = 3,736,662.59