Finding the Third Proportional to 492,620 and 1,058,912

Step by Step Solution

1. Step 1: Write the proportion equation
   492,620 : 1,058,912 = 1,058,912 : x
2. Step 2: Convert to fraction form
   492,620/1,058,912 = 1,058,912/x
3. Step 3: Cross multiply
   492,620x = 1,058,912 × 1,058,912
4. Step 4: Simplify right side
   492,620x = 1,121,294,623,744
5. Step 5: Solve for x
   x = 1,121,294,623,744/492,620
6. Step 6: Final answer
   x = 2,276,185.75