Finding the Third Proportional to 907,416 and 1,392,846

Step by Step Solution

1. Step 1: Write the proportion equation
   907,416 : 1,392,846 = 1,392,846 : x
2. Step 2: Convert to fraction form
   907,416/1,392,846 = 1,392,846/x
3. Step 3: Cross multiply
   907,416x = 1,392,846 × 1,392,846
4. Step 4: Simplify right side
   907,416x = 1,940,019,979,716
5. Step 5: Solve for x
   x = 1,940,019,979,716/907,416
6. Step 6: Final answer
   x = 2,137,960.96