Finding the Third Proportional to 806,573 and 1,238,058

Step by Step Solution

1. Step 1: Write the proportion equation
   806,573 : 1,238,058 = 1,238,058 : x
2. Step 2: Convert to fraction form
   806,573/1,238,058 = 1,238,058/x
3. Step 3: Cross multiply
   806,573x = 1,238,058 × 1,238,058
4. Step 4: Simplify right side
   806,573x = 1,532,787,611,364
5. Step 5: Solve for x
   x = 1,532,787,611,364/806,573
6. Step 6: Final answer
   x = 1,900,370.59