Finding the Third Proportional to 5,149,704 and 7,790,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,149,704 : 7,790,833.50 = 7,790,833.50 : x
2. Step 2: Convert to fraction form
   5,149,704/7,790,833.50 = 7,790,833.50/x
3. Step 3: Cross multiply
   5,149,704x = 7,790,833.50 × 7,790,833.50
4. Step 4: Simplify right side
   5,149,704x = 60,697,086,624,722.25
5. Step 5: Solve for x
   x = 60,697,086,624,722.25/5,149,704
6. Step 6: Final answer
   x = 11,786,519.50