Finding the Third Proportional to 859,359 and 1,890,321

Step by Step Solution

1. Step 1: Write the proportion equation
   859,359 : 1,890,321 = 1,890,321 : x
2. Step 2: Convert to fraction form
   859,359/1,890,321 = 1,890,321/x
3. Step 3: Cross multiply
   859,359x = 1,890,321 × 1,890,321
4. Step 4: Simplify right side
   859,359x = 3,573,313,483,041
5. Step 5: Solve for x
   x = 3,573,313,483,041/859,359
6. Step 6: Final answer
   x = 4,158,114.92