Finding the Third Proportional to 6,639,066 and 13,521,756

Step by Step Solution

1. Step 1: Write the proportion equation
   6,639,066 : 13,521,756 = 13,521,756 : x
2. Step 2: Convert to fraction form
   6,639,066/13,521,756 = 13,521,756/x
3. Step 3: Cross multiply
   6,639,066x = 13,521,756 × 13,521,756
4. Step 4: Simplify right side
   6,639,066x = 182,837,885,323,536
5. Step 5: Solve for x
   x = 182,837,885,323,536/6,639,066
6. Step 6: Final answer
   x = 27,539,699.91