Finding the Third Proportional to 853,108 and 1,974,980

Step by Step Solution

1. Step 1: Write the proportion equation
   853,108 : 1,974,980 = 1,974,980 : x
2. Step 2: Convert to fraction form
   853,108/1,974,980 = 1,974,980/x
3. Step 3: Cross multiply
   853,108x = 1,974,980 × 1,974,980
4. Step 4: Simplify right side
   853,108x = 3,900,546,000,400
5. Step 5: Solve for x
   x = 3,900,546,000,400/853,108
6. Step 6: Final answer
   x = 4,572,159.68