Finding the Third Proportional to 699,158 and 1,058,188

Step by Step Solution

1. Step 1: Write the proportion equation
   699,158 : 1,058,188 = 1,058,188 : x
2. Step 2: Convert to fraction form
   699,158/1,058,188 = 1,058,188/x
3. Step 3: Cross multiply
   699,158x = 1,058,188 × 1,058,188
4. Step 4: Simplify right side
   699,158x = 1,119,761,843,344
5. Step 5: Solve for x
   x = 1,119,761,843,344/699,158
6. Step 6: Final answer
   x = 1,601,586.26