Finding the Third Proportional to 2,407,173 and 5,286,665

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407,173 : 5,286,665 = 5,286,665 : x
2. Step 2: Convert to fraction form
   2,407,173/5,286,665 = 5,286,665/x
3. Step 3: Cross multiply
   2,407,173x = 5,286,665 × 5,286,665
4. Step 4: Simplify right side
   2,407,173x = 27,948,826,822,225
5. Step 5: Solve for x
   x = 27,948,826,822,225/2,407,173
6. Step 6: Final answer
   x = 11,610,643.20