Finding the Third Proportional to 900,818 and 1,957,396

Step by Step Solution

1. Step 1: Write the proportion equation
   900,818 : 1,957,396 = 1,957,396 : x
2. Step 2: Convert to fraction form
   900,818/1,957,396 = 1,957,396/x
3. Step 3: Cross multiply
   900,818x = 1,957,396 × 1,957,396
4. Step 4: Simplify right side
   900,818x = 3,831,399,100,816
5. Step 5: Solve for x
   x = 3,831,399,100,816/900,818
6. Step 6: Final answer
   x = 4,253,244.39