Finding the Third Proportional to 9,724,932 and 21,162,312

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724,932 : 21,162,312 = 21,162,312 : x
2. Step 2: Convert to fraction form
   9,724,932/21,162,312 = 21,162,312/x
3. Step 3: Cross multiply
   9,724,932x = 21,162,312 × 21,162,312
4. Step 4: Simplify right side
   9,724,932x = 447,843,449,185,344
5. Step 5: Solve for x
   x = 447,843,449,185,344/9,724,932
6. Step 6: Final answer
   x = 46,051,062.28