Finding the Third Proportional to 985,978 and 2,071,574

Step by Step Solution

1. Step 1: Write the proportion equation
   985,978 : 2,071,574 = 2,071,574 : x
2. Step 2: Convert to fraction form
   985,978/2,071,574 = 2,071,574/x
3. Step 3: Cross multiply
   985,978x = 2,071,574 × 2,071,574
4. Step 4: Simplify right side
   985,978x = 4,291,418,837,476
5. Step 5: Solve for x
   x = 4,291,418,837,476/985,978
6. Step 6: Final answer
   x = 4,352,448.88