Finding the Third Proportional to 1,985,906 and 4,251,748

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985,906 : 4,251,748 = 4,251,748 : x
2. Step 2: Convert to fraction form
   1,985,906/4,251,748 = 4,251,748/x
3. Step 3: Cross multiply
   1,985,906x = 4,251,748 × 4,251,748
4. Step 4: Simplify right side
   1,985,906x = 18,077,361,055,504
5. Step 5: Solve for x
   x = 18,077,361,055,504/1,985,906
6. Step 6: Final answer
   x = 9,102,828.16