Finding the Third Proportional to 9,759,619 and 21,199,322

Step by Step Solution

1. Step 1: Write the proportion equation
   9,759,619 : 21,199,322 = 21,199,322 : x
2. Step 2: Convert to fraction form
   9,759,619/21,199,322 = 21,199,322/x
3. Step 3: Cross multiply
   9,759,619x = 21,199,322 × 21,199,322
4. Step 4: Simplify right side
   9,759,619x = 449,411,253,259,684
5. Step 5: Solve for x
   x = 449,411,253,259,684/9,759,619
6. Step 6: Final answer
   x = 46,048,032.54