Finding the Third Proportional to 267,150,328.50 and 408,670,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,150,328.50 : 408,670,216.50 = 408,670,216.50 : x
2. Step 2: Convert to fraction form
   267,150,328.50/408,670,216.50 = 408,670,216.50/x
3. Step 3: Cross multiply
   267,150,328.50x = 408,670,216.50 × 408,670,216.50
4. Step 4: Simplify right side
   267,150,328.50x = 167,011,345,854,156,864
5. Step 5: Solve for x
   x = 167,011,345,854,156,864/267,150,328.50
6. Step 6: Final answer
   x = 625,158,676.73