Finding the Third Proportional to 1,801,440 and 3,957,174

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801,440 : 3,957,174 = 3,957,174 : x
2. Step 2: Convert to fraction form
   1,801,440/3,957,174 = 3,957,174/x
3. Step 3: Cross multiply
   1,801,440x = 3,957,174 × 3,957,174
4. Step 4: Simplify right side
   1,801,440x = 15,659,226,066,276
5. Step 5: Solve for x
   x = 15,659,226,066,276/1,801,440
6. Step 6: Final answer
   x = 8,692,615.94