Finding the Third Proportional to 2,407,172 and 5,286,662

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407,172 : 5,286,662 = 5,286,662 : x
2. Step 2: Convert to fraction form
   2,407,172/5,286,662 = 5,286,662/x
3. Step 3: Cross multiply
   2,407,172x = 5,286,662 × 5,286,662
4. Step 4: Simplify right side
   2,407,172x = 27,948,795,102,244
5. Step 5: Solve for x
   x = 27,948,795,102,244/2,407,172
6. Step 6: Final answer
   x = 11,610,634.85