Finding the Third Proportional to 853,112 and 1,974,990

Step by Step Solution

1. Step 1: Write the proportion equation
   853,112 : 1,974,990 = 1,974,990 : x
2. Step 2: Convert to fraction form
   853,112/1,974,990 = 1,974,990/x
3. Step 3: Cross multiply
   853,112x = 1,974,990 × 1,974,990
4. Step 4: Simplify right side
   853,112x = 3,900,585,500,100
5. Step 5: Solve for x
   x = 3,900,585,500,100/853,112
6. Step 6: Final answer
   x = 4,572,184.54