Finding the Third Proportional to 12,397,310 and 19,546,766

Step by Step Solution

1. Step 1: Write the proportion equation
   12,397,310 : 19,546,766 = 19,546,766 : x
2. Step 2: Convert to fraction form
   12,397,310/19,546,766 = 19,546,766/x
3. Step 3: Cross multiply
   12,397,310x = 19,546,766 × 19,546,766
4. Step 4: Simplify right side
   12,397,310x = 382,076,061,058,756
5. Step 5: Solve for x
   x = 382,076,061,058,756/12,397,310
6. Step 6: Final answer
   x = 30,819,271.36