Finding the Third Proportional to 1,242,641 and 2,666,530

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,641 : 2,666,530 = 2,666,530 : x
2. Step 2: Convert to fraction form
   1,242,641/2,666,530 = 2,666,530/x
3. Step 3: Cross multiply
   1,242,641x = 2,666,530 × 2,666,530
4. Step 4: Simplify right side
   1,242,641x = 7,110,382,240,900
5. Step 5: Solve for x
   x = 7,110,382,240,900/1,242,641
6. Step 6: Final answer
   x = 5,721,992.31