Finding the Third Proportional to 558,849 and 885,300.75

Step by Step Solution

1. Step 1: Write the proportion equation
   558,849 : 885,300.75 = 885,300.75 : x
2. Step 2: Convert to fraction form
   558,849/885,300.75 = 885,300.75/x
3. Step 3: Cross multiply
   558,849x = 885,300.75 × 885,300.75
4. Step 4: Simplify right side
   558,849x = 783,757,417,950.56
5. Step 5: Solve for x
   x = 783,757,417,950.56/558,849
6. Step 6: Final answer
   x = 1,402,449.35