Finding the Third Proportional to 6,620,868 and 10,123,758

Step by Step Solution

1. Step 1: Write the proportion equation
   6,620,868 : 10,123,758 = 10,123,758 : x
2. Step 2: Convert to fraction form
   6,620,868/10,123,758 = 10,123,758/x
3. Step 3: Cross multiply
   6,620,868x = 10,123,758 × 10,123,758
4. Step 4: Simplify right side
   6,620,868x = 102,490,476,042,564
5. Step 5: Solve for x
   x = 102,490,476,042,564/6,620,868
6. Step 6: Final answer
   x = 15,479,915.33