Finding the Third Proportional to 951,171 and 1,980,912

Step by Step Solution

1. Step 1: Write the proportion equation
   951,171 : 1,980,912 = 1,980,912 : x
2. Step 2: Convert to fraction form
   951,171/1,980,912 = 1,980,912/x
3. Step 3: Cross multiply
   951,171x = 1,980,912 × 1,980,912
4. Step 4: Simplify right side
   951,171x = 3,924,012,351,744
5. Step 5: Solve for x
   x = 3,924,012,351,744/951,171
6. Step 6: Final answer
   x = 4,125,454.15