Finding the Third Proportional to 8,036,203.50 and 12,129,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,036,203.50 : 12,129,037.50 = 12,129,037.50 : x
2. Step 2: Convert to fraction form
   8,036,203.50/12,129,037.50 = 12,129,037.50/x
3. Step 3: Cross multiply
   8,036,203.50x = 12,129,037.50 × 12,129,037.50
4. Step 4: Simplify right side
   8,036,203.50x = 147,113,550,676,406.25
5. Step 5: Solve for x
   x = 147,113,550,676,406.25/8,036,203.50
6. Step 6: Final answer
   x = 18,306,349.59