Finding the Third Proportional to 1,974,016 and 4,286,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974,016 : 4,286,280 = 4,286,280 : x
2. Step 2: Convert to fraction form
   1,974,016/4,286,280 = 4,286,280/x
3. Step 3: Cross multiply
   1,974,016x = 4,286,280 × 4,286,280
4. Step 4: Simplify right side
   1,974,016x = 18,372,196,238,400
5. Step 5: Solve for x
   x = 18,372,196,238,400/1,974,016
6. Step 6: Final answer
   x = 9,307,014.86