Finding the Third Proportional to 10,086,986 and 21,888,580

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086,986 : 21,888,580 = 21,888,580 : x
2. Step 2: Convert to fraction form
   10,086,986/21,888,580 = 21,888,580/x
3. Step 3: Cross multiply
   10,086,986x = 21,888,580 × 21,888,580
4. Step 4: Simplify right side
   10,086,986x = 479,109,934,416,400
5. Step 5: Solve for x
   x = 479,109,934,416,400/10,086,986
6. Step 6: Final answer
   x = 47,497,828.83