Finding the Third Proportional to 890,598 and 1,812,300

Step by Step Solution

1. Step 1: Write the proportion equation
   890,598 : 1,812,300 = 1,812,300 : x
2. Step 2: Convert to fraction form
   890,598/1,812,300 = 1,812,300/x
3. Step 3: Cross multiply
   890,598x = 1,812,300 × 1,812,300
4. Step 4: Simplify right side
   890,598x = 3,284,431,290,000
5. Step 5: Solve for x
   x = 3,284,431,290,000/890,598
6. Step 6: Final answer
   x = 3,687,894.30