Finding the Third Proportional to 9,819,508 and 21,338,724

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819,508 : 21,338,724 = 21,338,724 : x
2. Step 2: Convert to fraction form
   9,819,508/21,338,724 = 21,338,724/x
3. Step 3: Cross multiply
   9,819,508x = 21,338,724 × 21,338,724
4. Step 4: Simplify right side
   9,819,508x = 455,341,141,948,176
5. Step 5: Solve for x
   x = 455,341,141,948,176/9,819,508
6. Step 6: Final answer
   x = 46,371,075.00