Finding the Third Proportional to 8,619,852 and 12,906,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,619,852 : 12,906,037.50 = 12,906,037.50 : x
2. Step 2: Convert to fraction form
   8,619,852/12,906,037.50 = 12,906,037.50/x
3. Step 3: Cross multiply
   8,619,852x = 12,906,037.50 × 12,906,037.50
4. Step 4: Simplify right side
   8,619,852x = 166,565,803,951,406.25
5. Step 5: Solve for x
   x = 166,565,803,951,406.25/8,619,852
6. Step 6: Final answer
   x = 19,323,510.89