Finding the Third Proportional to 8,309,715.75 and 12,764,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309,715.75 : 12,764,740.50 = 12,764,740.50 : x
2. Step 2: Convert to fraction form
   8,309,715.75/12,764,740.50 = 12,764,740.50/x
3. Step 3: Cross multiply
   8,309,715.75x = 12,764,740.50 × 12,764,740.50
4. Step 4: Simplify right side
   8,309,715.75x = 162,938,600,032,340.25
5. Step 5: Solve for x
   x = 162,938,600,032,340.25/8,309,715.75
6. Step 6: Final answer
   x = 19,608,203.81