Finding the Third Proportional to 349,438.50 and 756,000

Step by Step Solution

1. Step 1: Write the proportion equation
   349,438.50 : 756,000 = 756,000 : x
2. Step 2: Convert to fraction form
   349,438.50/756,000 = 756,000/x
3. Step 3: Cross multiply
   349,438.50x = 756,000 × 756,000
4. Step 4: Simplify right side
   349,438.50x = 571,536,000,000
5. Step 5: Solve for x
   x = 571,536,000,000/349,438.50
6. Step 6: Final answer
   x = 1,635,583.94