Finding the Third Proportional to 5,707,720 and 8,372,364

Step by Step Solution

1. Step 1: Write the proportion equation
   5,707,720 : 8,372,364 = 8,372,364 : x
2. Step 2: Convert to fraction form
   5,707,720/8,372,364 = 8,372,364/x
3. Step 3: Cross multiply
   5,707,720x = 8,372,364 × 8,372,364
4. Step 4: Simplify right side
   5,707,720x = 70,096,478,948,496
5. Step 5: Solve for x
   x = 70,096,478,948,496/5,707,720
6. Step 6: Final answer
   x = 12,280,994.68