Finding the Third Proportional to 918,161 and 1,988,786

Step by Step Solution

1. Step 1: Write the proportion equation
   918,161 : 1,988,786 = 1,988,786 : x
2. Step 2: Convert to fraction form
   918,161/1,988,786 = 1,988,786/x
3. Step 3: Cross multiply
   918,161x = 1,988,786 × 1,988,786
4. Step 4: Simplify right side
   918,161x = 3,955,269,753,796
5. Step 5: Solve for x
   x = 3,955,269,753,796/918,161
6. Step 6: Final answer
   x = 4,307,817.21