Finding the Third Proportional to 267,364.50 and 389,007

Step by Step Solution

1. Step 1: Write the proportion equation
   267,364.50 : 389,007 = 389,007 : x
2. Step 2: Convert to fraction form
   267,364.50/389,007 = 389,007/x
3. Step 3: Cross multiply
   267,364.50x = 389,007 × 389,007
4. Step 4: Simplify right side
   267,364.50x = 151,326,446,049
5. Step 5: Solve for x
   x = 151,326,446,049/267,364.50
6. Step 6: Final answer
   x = 565,993.04