Finding the Third Proportional to 9,992,634 and 21,500,860

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992,634 : 21,500,860 = 21,500,860 : x
2. Step 2: Convert to fraction form
   9,992,634/21,500,860 = 21,500,860/x
3. Step 3: Cross multiply
   9,992,634x = 21,500,860 × 21,500,860
4. Step 4: Simplify right side
   9,992,634x = 462,286,980,739,600
5. Step 5: Solve for x
   x = 462,286,980,739,600/9,992,634
6. Step 6: Final answer
   x = 46,262,775.23