Finding the Third Proportional to 1,886,576 and 4,071,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886,576 : 4,071,912 = 4,071,912 : x
2. Step 2: Convert to fraction form
   1,886,576/4,071,912 = 4,071,912/x
3. Step 3: Cross multiply
   1,886,576x = 4,071,912 × 4,071,912
4. Step 4: Simplify right side
   1,886,576x = 16,580,467,335,744
5. Step 5: Solve for x
   x = 16,580,467,335,744/1,886,576
6. Step 6: Final answer
   x = 8,788,655.92