Finding the Third Proportional to 1,210,568 and 1,873,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,568 : 1,873,272 = 1,873,272 : x
2. Step 2: Convert to fraction form
   1,210,568/1,873,272 = 1,873,272/x
3. Step 3: Cross multiply
   1,210,568x = 1,873,272 × 1,873,272
4. Step 4: Simplify right side
   1,210,568x = 3,509,147,985,984
5. Step 5: Solve for x
   x = 3,509,147,985,984/1,210,568
6. Step 6: Final answer
   x = 2,898,761.56