Finding the Third Proportional to 423,758 and 914,738

Step by Step Solution

1. Step 1: Write the proportion equation
   423,758 : 914,738 = 914,738 : x
2. Step 2: Convert to fraction form
   423,758/914,738 = 914,738/x
3. Step 3: Cross multiply
   423,758x = 914,738 × 914,738
4. Step 4: Simplify right side
   423,758x = 836,745,608,644
5. Step 5: Solve for x
   x = 836,745,608,644/423,758
6. Step 6: Final answer
   x = 1,974,583.63