Finding the Third Proportional to 1,526,789 and 3,179,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526,789 : 3,179,218 = 3,179,218 : x
2. Step 2: Convert to fraction form
   1,526,789/3,179,218 = 3,179,218/x
3. Step 3: Cross multiply
   1,526,789x = 3,179,218 × 3,179,218
4. Step 4: Simplify right side
   1,526,789x = 10,107,427,091,524
5. Step 5: Solve for x
   x = 10,107,427,091,524/1,526,789
6. Step 6: Final answer
   x = 6,620,054.96