Finding the Third Proportional to 9,819,495 and 21,338,697

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819,495 : 21,338,697 = 21,338,697 : x
2. Step 2: Convert to fraction form
   9,819,495/21,338,697 = 21,338,697/x
3. Step 3: Cross multiply
   9,819,495x = 21,338,697 × 21,338,697
4. Step 4: Simplify right side
   9,819,495x = 455,339,989,657,809
5. Step 5: Solve for x
   x = 455,339,989,657,809/9,819,495
6. Step 6: Final answer
   x = 46,371,019.05