Finding the Third Proportional to 1,986,252 and 4,210,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986,252 : 4,210,836 = 4,210,836 : x
2. Step 2: Convert to fraction form
   1,986,252/4,210,836 = 4,210,836/x
3. Step 3: Cross multiply
   1,986,252x = 4,210,836 × 4,210,836
4. Step 4: Simplify right side
   1,986,252x = 17,731,139,818,896
5. Step 5: Solve for x
   x = 17,731,139,818,896/1,986,252
6. Step 6: Final answer
   x = 8,926,933.65