Finding the Third Proportional to 1,189,770 and 1,812,531

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,770 : 1,812,531 = 1,812,531 : x
2. Step 2: Convert to fraction form
   1,189,770/1,812,531 = 1,812,531/x
3. Step 3: Cross multiply
   1,189,770x = 1,812,531 × 1,812,531
4. Step 4: Simplify right side
   1,189,770x = 3,285,268,625,961
5. Step 5: Solve for x
   x = 3,285,268,625,961/1,189,770
6. Step 6: Final answer
   x = 2,761,263.63