Finding the Third Proportional to 726,124 and 1,578,182

Step by Step Solution

1. Step 1: Write the proportion equation
   726,124 : 1,578,182 = 1,578,182 : x
2. Step 2: Convert to fraction form
   726,124/1,578,182 = 1,578,182/x
3. Step 3: Cross multiply
   726,124x = 1,578,182 × 1,578,182
4. Step 4: Simplify right side
   726,124x = 2,490,658,425,124
5. Step 5: Solve for x
   x = 2,490,658,425,124/726,124
6. Step 6: Final answer
   x = 3,430,073.14