Finding the Third Proportional to 673,978.50 and 1,442,727

Step by Step Solution

1. Step 1: Write the proportion equation
   673,978.50 : 1,442,727 = 1,442,727 : x
2. Step 2: Convert to fraction form
   673,978.50/1,442,727 = 1,442,727/x
3. Step 3: Cross multiply
   673,978.50x = 1,442,727 × 1,442,727
4. Step 4: Simplify right side
   673,978.50x = 2,081,461,196,529
5. Step 5: Solve for x
   x = 2,081,461,196,529/673,978.50
6. Step 6: Final answer
   x = 3,088,319.87