Finding the Third Proportional to 267,195 and 426,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,195 : 426,064.50 = 426,064.50 : x
2. Step 2: Convert to fraction form
   267,195/426,064.50 = 426,064.50/x
3. Step 3: Cross multiply
   267,195x = 426,064.50 × 426,064.50
4. Step 4: Simplify right side
   267,195x = 181,530,958,160.25
5. Step 5: Solve for x
   x = 181,530,958,160.25/267,195
6. Step 6: Final answer
   x = 679,395.04