Finding the Third Proportional to 6,078,379 and 12,970,322

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078,379 : 12,970,322 = 12,970,322 : x
2. Step 2: Convert to fraction form
   6,078,379/12,970,322 = 12,970,322/x
3. Step 3: Cross multiply
   6,078,379x = 12,970,322 × 12,970,322
4. Step 4: Simplify right side
   6,078,379x = 168,229,252,783,684
5. Step 5: Solve for x
   x = 168,229,252,783,684/6,078,379
6. Step 6: Final answer
   x = 27,676,663.92