Finding the Third Proportional to 6,620,839 and 10,123,714

Step by Step Solution

1. Step 1: Write the proportion equation
   6,620,839 : 10,123,714 = 10,123,714 : x
2. Step 2: Convert to fraction form
   6,620,839/10,123,714 = 10,123,714/x
3. Step 3: Cross multiply
   6,620,839x = 10,123,714 × 10,123,714
4. Step 4: Simplify right side
   6,620,839x = 102,489,585,153,796
5. Step 5: Solve for x
   x = 102,489,585,153,796/6,620,839
6. Step 6: Final answer
   x = 15,479,848.57