Finding the Third Proportional to 9,759,628 and 21,199,338

Step by Step Solution

1. Step 1: Write the proportion equation
   9,759,628 : 21,199,338 = 21,199,338 : x
2. Step 2: Convert to fraction form
   9,759,628/21,199,338 = 21,199,338/x
3. Step 3: Cross multiply
   9,759,628x = 21,199,338 × 21,199,338
4. Step 4: Simplify right side
   9,759,628x = 449,411,931,638,244
5. Step 5: Solve for x
   x = 449,411,931,638,244/9,759,628
6. Step 6: Final answer
   x = 46,048,059.58