Finding the Third Proportional to 603,871.50 and 1,302,321

Step by Step Solution

1. Step 1: Write the proportion equation
   603,871.50 : 1,302,321 = 1,302,321 : x
2. Step 2: Convert to fraction form
   603,871.50/1,302,321 = 1,302,321/x
3. Step 3: Cross multiply
   603,871.50x = 1,302,321 × 1,302,321
4. Step 4: Simplify right side
   603,871.50x = 1,696,039,987,041
5. Step 5: Solve for x
   x = 1,696,039,987,041/603,871.50
6. Step 6: Final answer
   x = 2,808,610.75