Finding the Third Proportional to 1,781,340 and 3,960,174

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781,340 : 3,960,174 = 3,960,174 : x
2. Step 2: Convert to fraction form
   1,781,340/3,960,174 = 3,960,174/x
3. Step 3: Cross multiply
   1,781,340x = 3,960,174 × 3,960,174
4. Step 4: Simplify right side
   1,781,340x = 15,682,978,110,276
5. Step 5: Solve for x
   x = 15,682,978,110,276/1,781,340
6. Step 6: Final answer
   x = 8,804,034.10