Finding the Third Proportional to 843,718 and 1,820,030

Step by Step Solution

1. Step 1: Write the proportion equation
   843,718 : 1,820,030 = 1,820,030 : x
2. Step 2: Convert to fraction form
   843,718/1,820,030 = 1,820,030/x
3. Step 3: Cross multiply
   843,718x = 1,820,030 × 1,820,030
4. Step 4: Simplify right side
   843,718x = 3,312,509,200,900
5. Step 5: Solve for x
   x = 3,312,509,200,900/843,718
6. Step 6: Final answer
   x = 3,926,085.73