Finding the Third Proportional to 726,772 and 1,018,426

Step by Step Solution

1. Step 1: Write the proportion equation
   726,772 : 1,018,426 = 1,018,426 : x
2. Step 2: Convert to fraction form
   726,772/1,018,426 = 1,018,426/x
3. Step 3: Cross multiply
   726,772x = 1,018,426 × 1,018,426
4. Step 4: Simplify right side
   726,772x = 1,037,191,517,476
5. Step 5: Solve for x
   x = 1,037,191,517,476/726,772
6. Step 6: Final answer
   x = 1,427,120.91