Finding the Third Proportional to 6,620,845 and 10,123,723

Step by Step Solution

1. Step 1: Write the proportion equation
   6,620,845 : 10,123,723 = 10,123,723 : x
2. Step 2: Convert to fraction form
   6,620,845/10,123,723 = 10,123,723/x
3. Step 3: Cross multiply
   6,620,845x = 10,123,723 × 10,123,723
4. Step 4: Simplify right side
   6,620,845x = 102,489,767,380,729
5. Step 5: Solve for x
   x = 102,489,767,380,729/6,620,845
6. Step 6: Final answer
   x = 15,479,862.07