Finding the Third Proportional to 1,189,968 and 1,812,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,968 : 1,812,816 = 1,812,816 : x
2. Step 2: Convert to fraction form
   1,189,968/1,812,816 = 1,812,816/x
3. Step 3: Cross multiply
   1,189,968x = 1,812,816 × 1,812,816
4. Step 4: Simplify right side
   1,189,968x = 3,286,301,849,856
5. Step 5: Solve for x
   x = 3,286,301,849,856/1,189,968
6. Step 6: Final answer
   x = 2,761,672.46