Finding the Third Proportional to 1,012,529 and 1,478,809

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,529 : 1,478,809 = 1,478,809 : x
2. Step 2: Convert to fraction form
   1,012,529/1,478,809 = 1,478,809/x
3. Step 3: Cross multiply
   1,012,529x = 1,478,809 × 1,478,809
4. Step 4: Simplify right side
   1,012,529x = 2,186,876,058,481
5. Step 5: Solve for x
   x = 2,186,876,058,481/1,012,529
6. Step 6: Final answer
   x = 2,159,815.73