Finding the Third Proportional to 449,374 and 978,100

Step by Step Solution

1. Step 1: Write the proportion equation
   449,374 : 978,100 = 978,100 : x
2. Step 2: Convert to fraction form
   449,374/978,100 = 978,100/x
3. Step 3: Cross multiply
   449,374x = 978,100 × 978,100
4. Step 4: Simplify right side
   449,374x = 956,679,610,000
5. Step 5: Solve for x
   x = 956,679,610,000/449,374
6. Step 6: Final answer
   x = 2,128,916.25