Finding the Third Proportional to 8,309,695.50 and 12,764,709

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309,695.50 : 12,764,709 = 12,764,709 : x
2. Step 2: Convert to fraction form
   8,309,695.50/12,764,709 = 12,764,709/x
3. Step 3: Cross multiply
   8,309,695.50x = 12,764,709 × 12,764,709
4. Step 4: Simplify right side
   8,309,695.50x = 162,937,795,854,681
5. Step 5: Solve for x
   x = 162,937,795,854,681/8,309,695.50
6. Step 6: Final answer
   x = 19,608,154.82