Finding the Third Proportional to 10,215,193.50 and 21,675,519

Step by Step Solution

1. Step 1: Write the proportion equation
   10,215,193.50 : 21,675,519 = 21,675,519 : x
2. Step 2: Convert to fraction form
   10,215,193.50/21,675,519 = 21,675,519/x
3. Step 3: Cross multiply
   10,215,193.50x = 21,675,519 × 21,675,519
4. Step 4: Simplify right side
   10,215,193.50x = 469,828,123,919,361
5. Step 5: Solve for x
   x = 469,828,123,919,361/10,215,193.50
6. Step 6: Final answer
   x = 45,993,071.39