Finding the Third Proportional to 902,128 and 1,961,640

Step by Step Solution

1. Step 1: Write the proportion equation
   902,128 : 1,961,640 = 1,961,640 : x
2. Step 2: Convert to fraction form
   902,128/1,961,640 = 1,961,640/x
3. Step 3: Cross multiply
   902,128x = 1,961,640 × 1,961,640
4. Step 4: Simplify right side
   902,128x = 3,848,031,489,600
5. Step 5: Solve for x
   x = 3,848,031,489,600/902,128
6. Step 6: Final answer
   x = 4,265,504.99