Finding the Third Proportional to 12,779,676 and 19,302,570

Step by Step Solution

1. Step 1: Write the proportion equation
   12,779,676 : 19,302,570 = 19,302,570 : x
2. Step 2: Convert to fraction form
   12,779,676/19,302,570 = 19,302,570/x
3. Step 3: Cross multiply
   12,779,676x = 19,302,570 × 19,302,570
4. Step 4: Simplify right side
   12,779,676x = 372,589,208,604,900
5. Step 5: Solve for x
   x = 372,589,208,604,900/12,779,676
6. Step 6: Final answer
   x = 29,154,824.32