Finding the Third Proportional to 891,702 and 1,987,630

Step by Step Solution

1. Step 1: Write the proportion equation
   891,702 : 1,987,630 = 1,987,630 : x
2. Step 2: Convert to fraction form
   891,702/1,987,630 = 1,987,630/x
3. Step 3: Cross multiply
   891,702x = 1,987,630 × 1,987,630
4. Step 4: Simplify right side
   891,702x = 3,950,673,016,900
5. Step 5: Solve for x
   x = 3,950,673,016,900/891,702
6. Step 6: Final answer
   x = 4,430,485.76