Finding the Third Proportional to 704,864 and 1,058,860

Step by Step Solution

1. Step 1: Write the proportion equation
   704,864 : 1,058,860 = 1,058,860 : x
2. Step 2: Convert to fraction form
   704,864/1,058,860 = 1,058,860/x
3. Step 3: Cross multiply
   704,864x = 1,058,860 × 1,058,860
4. Step 4: Simplify right side
   704,864x = 1,121,184,499,600
5. Step 5: Solve for x
   x = 1,121,184,499,600/704,864
6. Step 6: Final answer
   x = 1,590,639.47