Finding the Third Proportional to 858,527 and 1,850,947

Step by Step Solution

1. Step 1: Write the proportion equation
   858,527 : 1,850,947 = 1,850,947 : x
2. Step 2: Convert to fraction form
   858,527/1,850,947 = 1,850,947/x
3. Step 3: Cross multiply
   858,527x = 1,850,947 × 1,850,947
4. Step 4: Simplify right side
   858,527x = 3,426,004,796,809
5. Step 5: Solve for x
   x = 3,426,004,796,809/858,527
6. Step 6: Final answer
   x = 3,990,561.50