Finding the Third Proportional to 3,769,711 and 8,230,731

Step by Step Solution

1. Step 1: Write the proportion equation
   3,769,711 : 8,230,731 = 8,230,731 : x
2. Step 2: Convert to fraction form
   3,769,711/8,230,731 = 8,230,731/x
3. Step 3: Cross multiply
   3,769,711x = 8,230,731 × 8,230,731
4. Step 4: Simplify right side
   3,769,711x = 67,744,932,794,361
5. Step 5: Solve for x
   x = 67,744,932,794,361/3,769,711
6. Step 6: Final answer
   x = 17,970,855.80