Finding the Third Proportional to 9,819,504 and 21,338,716

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819,504 : 21,338,716 = 21,338,716 : x
2. Step 2: Convert to fraction form
   9,819,504/21,338,716 = 21,338,716/x
3. Step 3: Cross multiply
   9,819,504x = 21,338,716 × 21,338,716
4. Step 4: Simplify right side
   9,819,504x = 455,340,800,528,656
5. Step 5: Solve for x
   x = 455,340,800,528,656/9,819,504
6. Step 6: Final answer
   x = 46,371,059.12