Finding the Third Proportional to 4,058,620 and 8,453,065

Step by Step Solution

1. Step 1: Write the proportion equation
   4,058,620 : 8,453,065 = 8,453,065 : x
2. Step 2: Convert to fraction form
   4,058,620/8,453,065 = 8,453,065/x
3. Step 3: Cross multiply
   4,058,620x = 8,453,065 × 8,453,065
4. Step 4: Simplify right side
   4,058,620x = 71,454,307,894,225
5. Step 5: Solve for x
   x = 71,454,307,894,225/4,058,620
6. Step 6: Final answer
   x = 17,605,567.38