Finding the Third Proportional to 1,869,361 and 4,066,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869,361 : 4,066,772 = 4,066,772 : x
2. Step 2: Convert to fraction form
   1,869,361/4,066,772 = 4,066,772/x
3. Step 3: Cross multiply
   1,869,361x = 4,066,772 × 4,066,772
4. Step 4: Simplify right side
   1,869,361x = 16,538,634,499,984
5. Step 5: Solve for x
   x = 16,538,634,499,984/1,869,361
6. Step 6: Final answer
   x = 8,847,212.76