Finding the Third Proportional to 6,016,310 and 12,991,687

Step by Step Solution

1. Step 1: Write the proportion equation
   6,016,310 : 12,991,687 = 12,991,687 : x
2. Step 2: Convert to fraction form
   6,016,310/12,991,687 = 12,991,687/x
3. Step 3: Cross multiply
   6,016,310x = 12,991,687 × 12,991,687
4. Step 4: Simplify right side
   6,016,310x = 168,783,931,105,969
5. Step 5: Solve for x
   x = 168,783,931,105,969/6,016,310
6. Step 6: Final answer
   x = 28,054,393.99