Finding the Third Proportional to 423,967 and 914,404

Step by Step Solution

1. Step 1: Write the proportion equation
   423,967 : 914,404 = 914,404 : x
2. Step 2: Convert to fraction form
   423,967/914,404 = 914,404/x
3. Step 3: Cross multiply
   423,967x = 914,404 × 914,404
4. Step 4: Simplify right side
   423,967x = 836,134,675,216
5. Step 5: Solve for x
   x = 836,134,675,216/423,967
6. Step 6: Final answer
   x = 1,972,169.24