Finding the Third Proportional to 512,703 and 1,123,820

Step by Step Solution

1. Step 1: Write the proportion equation
   512,703 : 1,123,820 = 1,123,820 : x
2. Step 2: Convert to fraction form
   512,703/1,123,820 = 1,123,820/x
3. Step 3: Cross multiply
   512,703x = 1,123,820 × 1,123,820
4. Step 4: Simplify right side
   512,703x = 1,262,971,392,400
5. Step 5: Solve for x
   x = 1,262,971,392,400/512,703
6. Step 6: Final answer
   x = 2,463,358.69