Finding the Third Proportional to 5,225,658 and 10,661,262

Step by Step Solution

1. Step 1: Write the proportion equation
   5,225,658 : 10,661,262 = 10,661,262 : x
2. Step 2: Convert to fraction form
   5,225,658/10,661,262 = 10,661,262/x
3. Step 3: Cross multiply
   5,225,658x = 10,661,262 × 10,661,262
4. Step 4: Simplify right side
   5,225,658x = 113,662,507,432,644
5. Step 5: Solve for x
   x = 113,662,507,432,644/5,225,658
6. Step 6: Final answer
   x = 21,750,850.79