Finding the Third Proportional to 1,291,666 and 1,992,003

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,666 : 1,992,003 = 1,992,003 : x
2. Step 2: Convert to fraction form
   1,291,666/1,992,003 = 1,992,003/x
3. Step 3: Cross multiply
   1,291,666x = 1,992,003 × 1,992,003
4. Step 4: Simplify right side
   1,291,666x = 3,968,075,952,009
5. Step 5: Solve for x
   x = 3,968,075,952,009/1,291,666
6. Step 6: Final answer
   x = 3,072,060.39