Finding the Third Proportional to 1,813,154 and 3,946,579

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813,154 : 3,946,579 = 3,946,579 : x
2. Step 2: Convert to fraction form
   1,813,154/3,946,579 = 3,946,579/x
3. Step 3: Cross multiply
   1,813,154x = 3,946,579 × 3,946,579
4. Step 4: Simplify right side
   1,813,154x = 15,575,485,803,241
5. Step 5: Solve for x
   x = 15,575,485,803,241/1,813,154
6. Step 6: Final answer
   x = 8,590,271.87