Finding the Third Proportional to 9,725,364 and 21,163,172

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725,364 : 21,163,172 = 21,163,172 : x
2. Step 2: Convert to fraction form
   9,725,364/21,163,172 = 21,163,172/x
3. Step 3: Cross multiply
   9,725,364x = 21,163,172 × 21,163,172
4. Step 4: Simplify right side
   9,725,364x = 447,879,849,101,584
5. Step 5: Solve for x
   x = 447,879,849,101,584/9,725,364
6. Step 6: Final answer
   x = 46,052,759.48