Finding the Third Proportional to 900,692 and 1,978,530

Step by Step Solution

1. Step 1: Write the proportion equation
   900,692 : 1,978,530 = 1,978,530 : x
2. Step 2: Convert to fraction form
   900,692/1,978,530 = 1,978,530/x
3. Step 3: Cross multiply
   900,692x = 1,978,530 × 1,978,530
4. Step 4: Simplify right side
   900,692x = 3,914,580,960,900
5. Step 5: Solve for x
   x = 3,914,580,960,900/900,692
6. Step 6: Final answer
   x = 4,346,192.66