Finding the Third Proportional to 900,910 and 1,957,580

Step by Step Solution

1. Step 1: Write the proportion equation
   900,910 : 1,957,580 = 1,957,580 : x
2. Step 2: Convert to fraction form
   900,910/1,957,580 = 1,957,580/x
3. Step 3: Cross multiply
   900,910x = 1,957,580 × 1,957,580
4. Step 4: Simplify right side
   900,910x = 3,832,119,456,400
5. Step 5: Solve for x
   x = 3,832,119,456,400/900,910
6. Step 6: Final answer
   x = 4,253,609.64