Finding the Third Proportional to 557,292 and 885,662

Step by Step Solution

1. Step 1: Write the proportion equation
   557,292 : 885,662 = 885,662 : x
2. Step 2: Convert to fraction form
   557,292/885,662 = 885,662/x
3. Step 3: Cross multiply
   557,292x = 885,662 × 885,662
4. Step 4: Simplify right side
   557,292x = 784,397,178,244
5. Step 5: Solve for x
   x = 784,397,178,244/557,292
6. Step 6: Final answer
   x = 1,407,515.59