Finding the Third Proportional to 1,781,801 and 3,900,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781,801 : 3,900,328 = 3,900,328 : x
2. Step 2: Convert to fraction form
   1,781,801/3,900,328 = 3,900,328/x
3. Step 3: Cross multiply
   1,781,801x = 3,900,328 × 3,900,328
4. Step 4: Simplify right side
   1,781,801x = 15,212,558,507,584
5. Step 5: Solve for x
   x = 15,212,558,507,584/1,781,801
6. Step 6: Final answer
   x = 8,537,742.72