Finding the Third Proportional to 12,930,100 and 19,359,519

Step by Step Solution

1. Step 1: Write the proportion equation
   12,930,100 : 19,359,519 = 19,359,519 : x
2. Step 2: Convert to fraction form
   12,930,100/19,359,519 = 19,359,519/x
3. Step 3: Cross multiply
   12,930,100x = 19,359,519 × 19,359,519
4. Step 4: Simplify right side
   12,930,100x = 374,790,975,911,361
5. Step 5: Solve for x
   x = 374,790,975,911,361/12,930,100
6. Step 6: Final answer
   x = 28,985,930.19