Finding the Third Proportional to 911,529 and 1,987,071

Step by Step Solution

1. Step 1: Write the proportion equation
   911,529 : 1,987,071 = 1,987,071 : x
2. Step 2: Convert to fraction form
   911,529/1,987,071 = 1,987,071/x
3. Step 3: Cross multiply
   911,529x = 1,987,071 × 1,987,071
4. Step 4: Simplify right side
   911,529x = 3,948,451,159,041
5. Step 5: Solve for x
   x = 3,948,451,159,041/911,529
6. Step 6: Final answer
   x = 4,331,679.14