Finding the Third Proportional to 3,994,476 and 8,626,308

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994,476 : 8,626,308 = 8,626,308 : x
2. Step 2: Convert to fraction form
   3,994,476/8,626,308 = 8,626,308/x
3. Step 3: Cross multiply
   3,994,476x = 8,626,308 × 8,626,308
4. Step 4: Simplify right side
   3,994,476x = 74,413,189,710,864
5. Step 5: Solve for x
   x = 74,413,189,710,864/3,994,476
6. Step 6: Final answer
   x = 18,629,024.11