Finding the Third Proportional to 8,309,696.50 and 12,764,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309,696.50 : 12,764,710.50 = 12,764,710.50 : x
2. Step 2: Convert to fraction form
   8,309,696.50/12,764,710.50 = 12,764,710.50/x
3. Step 3: Cross multiply
   8,309,696.50x = 12,764,710.50 × 12,764,710.50
4. Step 4: Simplify right side
   8,309,696.50x = 162,937,834,148,810.25
5. Step 5: Solve for x
   x = 162,937,834,148,810.25/8,309,696.50
6. Step 6: Final answer
   x = 19,608,157.07