Finding the Third Proportional to 600,379.50 and 1,300,389

Step by Step Solution

1. Step 1: Write the proportion equation
   600,379.50 : 1,300,389 = 1,300,389 : x
2. Step 2: Convert to fraction form
   600,379.50/1,300,389 = 1,300,389/x
3. Step 3: Cross multiply
   600,379.50x = 1,300,389 × 1,300,389
4. Step 4: Simplify right side
   600,379.50x = 1,691,011,551,321
5. Step 5: Solve for x
   x = 1,691,011,551,321/600,379.50
6. Step 6: Final answer
   x = 2,816,571.10