Finding the Third Proportional to 8,072,749.50 and 12,143,144.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,072,749.50 : 12,143,144.25 = 12,143,144.25 : x
2. Step 2: Convert to fraction form
   8,072,749.50/12,143,144.25 = 12,143,144.25/x
3. Step 3: Cross multiply
   8,072,749.50x = 12,143,144.25 × 12,143,144.25
4. Step 4: Simplify right side
   8,072,749.50x = 147,455,952,276,308.06
5. Step 5: Solve for x
   x = 147,455,952,276,308.06/8,072,749.50
6. Step 6: Final answer
   x = 18,265,889.74